Academic literature on the topic 'Co-integration technique'
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Journal articles on the topic "Co-integration technique"
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Tanvir, Khaliq Shami, Ali Adil Sultan, Hassan Sarfraz, and Khalid Bashir Muhammad. "Spatial market integration and price transmission in major potato markets of Panjab, Pakistan." Indian Journal of Science and Technology 13, no. 23 (2020): 2328–35. https://doi.org/10.17485/IJST/v13i23.411.
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Abstract <strong>Background/ Objectives:</strong> This study investigated market integration and asymmetric price transmission in the potato markets for the seven major Potato markets, i.e., Okara, Faisalabad, Sargodha, Lahore, Gujranwala, Multan, and Rawalpindi in the province of Punjab, Pakistan. <strong>Methods/Statistical analysis:</strong> The study estimated the data by using the Johansen Co-integration (JJ) technique, vector error correction model, and Vector autoregressive (VAR) model. <strong>Findings:</strong> The empirical results show as major Potato markets are integrated, i.e., there exist the law of one price. These findings also supported the results of the Granger causality analysis. The results of pairwise granger casualty show the direction of price transmission between the selected Potato markets in Punjab, Pakistan. <strong>Application:</strong> These results suggest for market integration and competition rather than collusion in Potato markets in Punjab, Pakistan, and provide little justification for government intervention designed to improve competitiveness or to enhance market efficiency. <strong>Keywords:</strong> Market integration; Potato; Co-integration; Causality
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Afzal, Marina, Muhammad Usman, and Abdul Raheman. "Comparative Study of Pair Trading Techniques in Pakistan’s Financial and Non-Financial Sector." Reviews of Management Sciences 5, no. 1 (2023): 38–49. http://dx.doi.org/10.53909/rms.05.01.0185.
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Purpose: This study attempts to empirically investigate the pair trading performance of financial and non-financial firms in Pakistan. Methodology: Daily data from 2008 to 2017 was collected for nine years. Cointegration and the distance approach were the two major analytical techniques used to evaluate the profitability of pair trading. The financial and non-financial sectors of the Pakistan Stock Exchange were used to build the pairs. Findings: Results showed that the top 5 pairs of portfolios exhibited the highest average excess returns of 0.0698, and Jensen's alpha is 0.0947 for the top 5 pairs. All pairs of firms showed significant and positive risk-adjusted performance. In the non-financial sector, the Top 10 pairs of portfolios had the highest average excess returns of 0.0789, and Jensen's alpha under the co-integration method for non-financial firms for all pairs 5, 10, 15, and 20 of the portfolios is also substantial and positive for risk-adjusted performance, with 0.0046, 0.0618, 0.0577, and 0.0493, respectively. Finally, pair trading under both techniques showed profitability. However, the co-integration technique exhibited better performance than the distance method. Conclusion: The study concluded that both pair trading techniques, particularly the co-integration technique, exhibited profitable pair trading performance that can assist investors and fund managers to earn positive returns on their investments regardless of market direction.
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Gangadharan, Srinivasa Rao, and Lakshmi Padmakumari. "Impact of Domestic Public Debt on Economic Growth - An Empirical Study in the Indian Context." Asian Journal of Empirical Research 6, no. 4 (2016): 101–16. http://dx.doi.org/10.18488/journal.1007/2016.6.4/1007.4.101.116.
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This study is an empirical investigation to assess the impact of domestic debt on India’s Economic growth during the period 1980 – 2014. We use data on Domestic Debt, Net Fiscal Deficit, Exports, Savings, Real Gross Domestic Product, Population and Terms of Trade. This study adopts the ARDL Co-Integration and Granger Causality techniques to investigate the relation between the key variables. The study also employs various post estimation tests to validate the fitness and stability of the models based on Gauss Markov assumptions, after employing the ordinary least square regression on various models. We find that debt negatively impacts economic growth while savings has a positive impact. The Auto Regressive Distributed Lag (ARDL) technique used to test the robustness suggests existence of co-integration among the variables. However, none of the long run co-efficient is significant. The granger causality and co-integration test results support the traditional view that debt negatively impacts economic growth.
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Kumar, M. P. Sharath, and P. R. Suresh. "Market Efficiency of Rubber: An Analytical Study Based on Co-integration Technique." International Journal of Bio-resource and Stress Management 8, no. 4 (2017): 581–84. http://dx.doi.org/10.23910/ijbsm/2017.8.4.1719.
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Das, Debojyoti, and Kannadhasan Manoharan. "Emerging stock market co-movements in South Asia: wavelet approach." International Journal of Managerial Finance 15, no. 2 (2019): 236–56. http://dx.doi.org/10.1108/ijmf-11-2017-0255.
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Purpose The purpose of this paper is to study the co-movement and market integration dynamics of the emerging/frontier stock markets in South Asia (India, Pakistan and Sri Lanka) with a portfolio management perspective. Design/methodology/approach Scholars in the past have documented the limitation of standard econometric techniques such as co-integration analysis to capture this phenomenon. The other econometric technique widely used in integration and comovement literature is dynamic conditional correlation-generalized autoregressive conditional heteroskedasticity. This method captivates the time-varying correlations, although frequency information is absent. The wavelet-based analysis decomposes the time-series data in a time-frequency domain, which is largely useful to fund managers and policy makers. This study examines the regional integration in selected South Asian markets using wavelet analysis. Findings The results suggest some degree of market integration, however weak as compared to regional integrations in developed markets. Pakistan and India were found to be the potential leaders at varying time scales in the region. Weaker co-movement phenomena may offer ample arbitrage opportunities to investors in this region. In addition, the authors also find that the structure of correlation changes after some of the major macroeconomic events. Originality/value This study is among the first to examine co-movement and integration of stock returns in a time-frequency domain for South Asia. In addition, the authors also highlight weak integration in these markets, which may be beneficial for portfolio diversification.
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Rani, Pooja, Rachna Agrawal, and Taufeeque Ahmad Siddiqui. "An ARDL co-integration technique to examine the investment behaviour of institutional investors." International Journal of Corporate Governance 14, no. 4 (2024): 307–28. http://dx.doi.org/10.1504/ijcg.2024.142088.
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Fosci, Paolo, and Giuseppe Psaila. "Soft Integration of Geo-Tagged Data Sets in J-CO-QL+." ISPRS International Journal of Geo-Information 11, no. 9 (2022): 484. http://dx.doi.org/10.3390/ijgi11090484.
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The possibility offered by the current technology to collect and store data sets regarding public places located on the Earth globe is posing new challenges, as far as the integration of these data sets is concerned. Analysts usually need to perform such an integration from scratch, without performing complex and long preprocessing or data-cleaning tasks, as well as without performing training activities that require tedious and long labeling of data; furthermore, analysts now have to deal with the popular JSON format and with data sets stored within JSON document stores. This paper demonstrates that a methodology based on soft integration (i.e., data integration performed through soft computing and fuzzy sets) can now be effectively applied from scratch, through the J-CO Framework, which is a stand-alone tool devised to process JSON data sets stored within JSON document stores, possibly by performing soft querying on data sets. Specifically, the paper provides the following contributions: (1) It presents a soft-computing technique for integrating data sets describing public places, without any preliminary pre-processing, cleaning and training, which can be applied from scratch; (2) it presents current capabilities for soft integration of JSON data sets, provided by the J-CO Framework; (3) it demonstrates the effectiveness of the soft integration technique; (4) it shows how a stand-alone tool able to support soft computing (as the J-CO Framework) can be effective and efficient in performing data-integration tasks from scratch.
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Kaur, Gurmit, and Siti Ayu Jalil. "Examining the Linkage between Poverty and Macroeconomic Variables in Malaysia: A Co-integration Analysis." Information Management and Business Review 9, no. 2 (2017): 6–15. http://dx.doi.org/10.22610/imbr.v9i2.1718.
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The purpose of this paper is to examine the linkage between the macroeconomic variables i.e. gross domestic product per capita (GDP), unemployment (UNE), tourist receipts (TOU), consumer price index (CPI) and poverty rate (POV) in Malaysia from 1969-2014. The econometric techniques used are unit root test and the Johansen Cointegration. The Granger Causality test using Block Exogeneity Wald test was added to analyze the causal relationships between the variables. The unit root test showed that all variables were stationary at first difference and thus the Johansen Co-integration test is an appropriate technique to employ. The evidence from co-integration test indicates that all the five series have three (3) co-integrating equations and significance at 1 percent level of significance. The causality test indicated there is a significant unidirectional causality between POV on GDP, CPI on POV, POV on TOU, GDP on UNE, GDP on TOU and CPI on TOU and bidirectional causality between POV and UNE. This paper is possibly the first to discuss these relationships in Malaysian context using Co-integration analysis. The finding implies that poverty is the key issue that should be addressed to achieve a high-income country status in the year 2020.
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Kaouther, AMIRI. "Public Debt and Economic Growth in MENA Countries. An Analysis by Panel Co-Integration Techniques." International Journal of Innovative Research in Multidisciplinary Education 03, no. 06 (2024): 953–63. https://doi.org/10.5281/zenodo.11564721.
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This study analyzes the dynamic relationship between public debt and economic growth in the economies of the MENA region during 1996 -2020. To do this, two econometric tools were applied. The first method presents panel cointegration techniques and Granger causality tests to verify the existence of a long-term relationship and examine the direction of causality between the different variables chosen. The FMOLS and DOLS panel techniques were used to estimate the long-term parameters. Thus, we show that the long-term impact of public debt on economic growth is both positive and significant. The second method describes the link using a linear growth model and another dynamic model. The latter two were estimated using the generalized moments method with dynamic panel data. The results show a close relationship between the exogenous variable debt and endogenous variable economic growth, and that debt positively affects growth up to a certain threshold. Beyond this threshold, the effect becomes negative and significant. Nevertheless, we have concluded that from a certain threshold, debt can exceed the repayment capacities and, therefore, disadvantage growth, which will in turn discourage domestic investments and savings.
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P, Nageswari, Rajan S, and Manivel K. "Fractional Calculus and Fuzzy Rule Based Filter for Despeckling the Medical Images." International Journal of Engineering & Technology 7, no. 4.10 (2018): 685. http://dx.doi.org/10.14419/ijet.v7i4.10.21312.
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Medical ultrasound imaging plays an important role in diagnosis of various complicated disorders. But, these ultrasound images are intrinsically degraded with speckle noise which harshly affects the image visual qualities and essential particulars. Hence, denoising is an unavoidable process in medical image processing. In this paper, a new despeckling technique is presented for denoising the medical ultrasound images by employing fuzzy technique on co-efficient of variation and fractional order integration filter. The proposed technique has two steps. During first step, the noisy image pixels are classified into three regions by using fuzzy technique on co-efficient of variation and consequently, the proposed technique adaptively employs appropriate filters on the grouped pixels to reduce noise in the ultrasound image. In the second step, to obtain an effective denoising image, the fractional order integration filter is applied on the resulting image of step 1. The performance of the proposed technique is tested on various medical images in terms of Peak signal to noise ratio and speckle suppression index quality measures. Experimental results reveal that the proposed despeckling technique can efficiently reduce the speckle noise, protect the edges and preserves any other important structural details of an image. It is suggested that the proposed technique is employed as a preprocessing tool for medical image analysis and diagnosis.
Dissertations / Theses on the topic "Co-integration technique"
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Cruz, Martínez Justino de la. "Mexico's macroeconomic performance an analysis using co-integration techniques /." 1994. http://catalog.hathitrust.org/api/volumes/oclc/34668690.html.
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Cameron, Jill. "A collective case study: How regular teachers provide inclusive education for severely and profoundly deaf students in regular schools in rural New South Wales." Thesis, 2005. http://hdl.handle.net/1959.13/24990.
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This thesis reports a collective case study of the school educational experiences of five severely and profoundly deaf students who were enrolled in regular schools in rural areas of New South Wales. The students ranged in age from 6 to 18 years. Three issues were examined: (1) The impact of the philosophy of inclusive education and the question of why students with high degrees of deafness and high support needs were enrolled in regular schools in rural areas; (2) The specific linguistic an educational support needs of deaf students; and (3) The ability of the regular schools and teachers to cater for the educational needs of the deaf students in those settings. The case studies revealed that to considerably varying extents in different situations, the students were afforded inclusive educational opportunities. The extent of inclusiveness of students’ educational experiences was shown to vary according to a number of variables. The variables identified included: the type and quality of communication with the deaf student, teaching style, accessibility of content, particular lesson type, and the type and extent of curriculum adaptations employed. As a result of the analysis of the data from the five cases, a number of generalistions were possible. These generalisations were that (a) students with the ability to access spoken communication auditorily were more easily included than students using manual communication; (b) reduction of linguistic and academic input occurred as a response to student inability to access class programs because of reduced linguistic capabilities, resulting in the deaf students receiving different and reduced information to the hearing students; (c) communication between a deaf student and his or her class teacher needed to be direct for the most successful inclusion to occur; (d) teaching style needed to be interactive or experiential for successful language learning and literacy development to occur; (e) curriculum adaptations needed to involve provision of visual support for lesson material to be highly effective; (f) lessons/subjects easily supported by visual means, such as mathematics or practical subjects, when taught hierarchically, going from the known to unknown in achievable steps, meant teaching style could be either transmission or interactive, for lesson activities to be considered inclusive; (g) students with poor literacy skills were unable to successfully access an intact (i.e., unaltered and complete) high school curriculum; (h) the teaching style of the class teacher impacted on the support model possible for the itinerant teacher; (i) an interactive class teaching style allowed for cooperative teaching between class teacher and itinerant teacher who could then assist the class teacher with both the linguistic and academic needs of the deaf student; (j) a transmission style of teaching resulted in various levels of withdrawal for the deaf student unless the subject matter could be represented visually; (k) when curriculum content or expected outcomes were reduced, the deaf students did not have the same access to information as their hearing counterparts and consequently could not develop concepts or understandings in the same manner; and (l) language and literacy development were most facilitated when interactive teaching opportunities were established proactively for the deaf students rather than through the reduction of content as a response to their failure to successfully engage with the complete curriculum. The conclusions suggest an alternative support proposal for deaf students in rural environments. The model of support proposed involves the targeting of specific preschools and primary schools with the provision of teachers identified to teach collaboratively and interactively. Under the proposed model several students with impaired hearing would be located within the one school with the itinerant teacher position becoming a full-time appointment in that school. Such a model would enable coenrolment, co-teaching, co-programming, creative grouping, and the provision of demonstration opportunities and support for other teachers within the school and district that had deaf students enrolled. Finally, interactive teaching, based on a clearly defined theoretical model of language acquisition, development, and learning, is recommended for students with impaired hearing in such environments. It is argued that the support of linguistic development and academic learning could be facilitated concurrently, thus ensuring that by the time students had reached high school they would possess sufficient literacy skills to access a regular high school program successfully.<br>PhD Doctorate
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Cameron, Jill. "A collective case study: How regular teachers provide inclusive education for severely and profoundly deaf students in regular schools in rural New South Wales." 2005. http://hdl.handle.net/1959.13/24990.
Full textAbstract:
This thesis reports a collective case study of the school educational experiences of five severely and profoundly deaf students who were enrolled in regular schools in rural areas of New South Wales. The students ranged in age from 6 to 18 years. Three issues were examined: (1) The impact of the philosophy of inclusive education and the question of why students with high degrees of deafness and high support needs were enrolled in regular schools in rural areas; (2) The specific linguistic an educational support needs of deaf students; and (3) The ability of the regular schools and teachers to cater for the educational needs of the deaf students in those settings. The case studies revealed that to considerably varying extents in different situations, the students were afforded inclusive educational opportunities. The extent of inclusiveness of students’ educational experiences was shown to vary according to a number of variables. The variables identified included: the type and quality of communication with the deaf student, teaching style, accessibility of content, particular lesson type, and the type and extent of curriculum adaptations employed. As a result of the analysis of the data from the five cases, a number of generalistions were possible. These generalisations were that (a) students with the ability to access spoken communication auditorily were more easily included than students using manual communication; (b) reduction of linguistic and academic input occurred as a response to student inability to access class programs because of reduced linguistic capabilities, resulting in the deaf students receiving different and reduced information to the hearing students; (c) communication between a deaf student and his or her class teacher needed to be direct for the most successful inclusion to occur; (d) teaching style needed to be interactive or experiential for successful language learning and literacy development to occur; (e) curriculum adaptations needed to involve provision of visual support for lesson material to be highly effective; (f) lessons/subjects easily supported by visual means, such as mathematics or practical subjects, when taught hierarchically, going from the known to unknown in achievable steps, meant teaching style could be either transmission or interactive, for lesson activities to be considered inclusive; (g) students with poor literacy skills were unable to successfully access an intact (i.e., unaltered and complete) high school curriculum; (h) the teaching style of the class teacher impacted on the support model possible for the itinerant teacher; (i) an interactive class teaching style allowed for cooperative teaching between class teacher and itinerant teacher who could then assist the class teacher with both the linguistic and academic needs of the deaf student; (j) a transmission style of teaching resulted in various levels of withdrawal for the deaf student unless the subject matter could be represented visually; (k) when curriculum content or expected outcomes were reduced, the deaf students did not have the same access to information as their hearing counterparts and consequently could not develop concepts or understandings in the same manner; and (l) language and literacy development were most facilitated when interactive teaching opportunities were established proactively for the deaf students rather than through the reduction of content as a response to their failure to successfully engage with the complete curriculum. The conclusions suggest an alternative support proposal for deaf students in rural environments. The model of support proposed involves the targeting of specific preschools and primary schools with the provision of teachers identified to teach collaboratively and interactively. Under the proposed model several students with impaired hearing would be located within the one school with the itinerant teacher position becoming a full-time appointment in that school. Such a model would enable coenrolment, co-teaching, co-programming, creative grouping, and the provision of demonstration opportunities and support for other teachers within the school and district that had deaf students enrolled. Finally, interactive teaching, based on a clearly defined theoretical model of language acquisition, development, and learning, is recommended for students with impaired hearing in such environments. It is argued that the support of linguistic development and academic learning could be facilitated concurrently, thus ensuring that by the time students had reached high school they would possess sufficient literacy skills to access a regular high school program successfully.<br>PhD Doctorate
Books on the topic "Co-integration technique"
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Tamarit, Cecilio. Balance sheet linkages analysis within the Spanish savings bank industry using co-integration techniques. University of Nottingham, Dept. of Economics, 1992.
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Back, Sudie E., Edna B. Foa, Therese K. Killeen, et al. Concurrent Treatment of PTSD and Substance Use Disorders Using Prolonged Exposure (COPE). Oxford University Press, 2015. http://dx.doi.org/10.1093/med:psych/9780199334513.001.0001.
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Concurrent Treatment of PTSD and Substance Use Disorders Using Prolonged Exposure (COPE) is a an integrated treatment cognitive-behavioral psychotherapy program designed for patients who have posttraumatic stress disorder (PTSD) and a co-occurring alcohol or drug use disorder. COPE represents an integration of two evidence-based treatments: Prolonged Exposure (PE) therapy for PTSD and Relapse Prevention for substance use disorders, where both the PTSD and substance use disorder are addressed concurrently in therapy by the same clinician, and patients can experience substantial reductions in both PTSD symptoms and substance use severity. The program includes information about how PTSD symptoms and substance use interact with one another; information about the most common reactions to trauma; techniques to help the patient manage cravings and thoughts about using alcohol or drugs; coping skills to help the patient prevent relapse to substances; a breathing retraining relaxation exercise; and in vivo (real life) and imaginal exposures to target the patient's PTSD symptoms.
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Back, Sudie E., Edna B. Foa, Therese K. Killeen, et al. Concurrent Treatment of PTSD and Substance Use Disorders Using Prolonged Exposure (COPE). Oxford University Press, 2015. http://dx.doi.org/10.1093/med:psych/9780199334537.001.0001.
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Concurrent Treatment of PTSD and Substance Use Disorders Using Prolonged Exposure (COPE) is a an integrated treatment cognitive-behavioral psychotherapy program designed for patients who have posttraumatic stress disorder (PTSD) and a co-occurring alcohol or drug use disorder. COPE represents an integration of two evidence-based treatments: Prolonged Exposure (PE) therapy for PTSD and Relapse Prevention for substance use disorders, where both the PTSD and substance use disorder are addressed concurrently in therapy by the same clinician, and patients can experience substantial reductions in both PTSD symptoms and substance use severity. The program includes information about how PTSD symptoms and substance use interact with one another; information about the most common reactions to trauma; techniques to help the patient manage cravings and thoughts about using alcohol or drugs; coping skills to help the patient prevent relapse to substances; a breathing retraining relaxation exercise; and in vivo (real life) and imaginal exposures to target the patient's PTSD symptoms.
Book chapters on the topic "Co-integration technique"
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Mallinson, Jonathan. "1. 1897–1900: The Making of a Potter." In William Moorcroft, Potter. Open Book Publishers, 2023. http://dx.doi.org/10.11647/obp.0349.01.
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This chapter looks at Moorcroft’s training as a potter at the firm of E.J.D. Bodley where his father had worked as Artistic Director, and his education both at the innovative Burslem School of Art and at the National Art Training School (soon to be renamed the Royal College of Art). His appointment as a designer at James Macintyre & Co., Ltd. put him in a firm at the very centre of enlightened art education in the Potteries, its Directors including the forward-looking M.P. Wm Woodall (who had served on the Royal Commission on Technical Instruction), the philanthropist Th. Hulme, and the gifted ceramic chemist, H. Watkin. It was a firm developing its production of electrical porcelain, but keen also to invest in the manufacture of high-quality art pottery. The firm’s Minutes reveal the great benefit it soon derived from Moorcroft’s appointment. After just four years, Moorcroft had acquired an international reputation as a ceramic artist, and his Florian ware was stocked by exclusive retailers the world over, bringing widespread commercial success. It was the ideal collaboration of manufacturer and designer, of commerce and art, very much in the spirit of the Arts and Crafts. The chapter also considers Moorcroft’s distinctive integration of ornament and form, a quality often singled out in early reviews and quite different from the ‘applied’ decoration of much contemporary pottery. No less distinctive was his technique of slip decoration, his unusually rich colours achieved by staining the unfired clay with metallic oxides, and his unique practice of signing every pot by hand.
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Benedikt, Martin, and Edo Drenth. "Relaxing Stiff System Integration by Smoothing Techniques for Non-iterative Co-simulation." In IUTAM Symposium on Solver-Coupling and Co-Simulation. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14883-6_1.
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Bai, Limin. "Chapter 3. “Altering the original fables to suit Chinese notions”." In Children’s Literature, Culture, and Cognition. John Benjamins Publishing Company, 2023. http://dx.doi.org/10.1075/clcc.15.03bai.
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The Yishi yuyan, a Chinese translation of Aesop’s fables based largely on the collection by Roger L’Estrange (1616–1704), was published circa 1840 by Robert Thom (1807–1846), with his Chinese tutor as co-translator. This chapter examines the sinicization of the Yishi yuan by investigating how the translators recontextualized a culturally appropriate context for the integration of various Chinese literary sources in their narration and reflection of the fables. Following a discussion of the rendering of L’Estrange’s Aesop into Chinese, the key elements that facilitated the success of sinicization of the Yishi yuyan are analysed to illustrate the sinicization techniques and strategies employed by the translators in adapting L’Estrange’s Aesopic fables to a Chinese narrative.
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Tinhofer, Ingeborg. "Innovations in Cell-Based Assays for Drug Discovery and Evaluation." In Critical Issues in Head and Neck Oncology. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-84539-0_4.
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Abstract The field of drug development has seen significant advancements in recent years, primarily driven by the development of advanced preclinical models. Traditional drug screening methods often lack the biological relevance necessary to predict clinical outcomes accurately. Novel cell-based assays have emerged as a powerful tool to bridge this gap. These assays comprise various cellular models, including spheroids, organoids, and organotypic co-culture systems, to better mimic complex in vivo environments and cellular interactions. This improved physiological relevance enhances the identification of promising drug candidates while reducing the risk of costly late-stage failures. Furthermore, the incorporation of high-throughput automation and advanced imaging techniques has accelerated data collection and analysis. These innovations allow for the screening of compound libraries on a scale previously thought unattainable. Additionally, the integration of artificial intelligence and machine learning algorithms has enhanced data interpretation and the prediction of drug efficacy. This chapter aims to provide a thorough examination of the latest advancements in cell-based screening platforms, highlighting their potential clinical applications with specific examples. Emphasis will be placed on their utility for drug- and radiosensitivity screening and biomarker development in head and neck squamous cell carcinoma (HNSCC). Recent endeavours in automatization and miniaturization for high-throughput screenings will be explored, shedding light on their efficacy and assay turn-over times. Additionally, key factors essential for enhancing these platforms to facilitate their clinical implementation in precision medicine programs will be discussed.
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Verma, Pratibha, Sanat Kumar Sahu, and Vineet Kumar Awasthi. "Deep Neural Network With Feature Optimization Technique for Classification of Coronary Artery Disease." In Advances in Computational Intelligence and Robotics. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-8892-5.ch016.
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Coronary artery disease (CAD) is of significant concern among the population worldwide. The deep neural network (DNN) methods co-operate and play a crucial role in identifying diseases in CAD. The classification techniques like deep neural network (DNN) and enhanced deep neural network (EDNN) model are best suited for problem solving. A model is robust with the integration of feature selection technique (FST) like genetic algorithm (GA) and particle swarm optimization (PSO). This research proposes an integrated model of GA, PSO, and DNN for classification of CAD. The E-DNN model with a subset feature of CAD datasets gives enhanced results as compared to the DNN model. The E-DNN model gives a more correct and precise classification performance.
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Hyafil, Fabien, Dominique Le Guludec, and Oliver Gaemperli. "Endocarditis and device infection." In ESC CardioMed, edited by Philipp Kaufmann. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0127.
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The diagnosis of infective endocarditis (IE) is often challenging and based on careful integration of clinical, microbiological, and imaging findings. The classical diagnostic scores (e.g. Duke criteria) have drawbacks as they leave clinicians with a considerable number of uncertain cases, in which further management is unclear and important therapeutic actions possibly delayed. Transoesophageal echocardiography is the preferred imaging technique for the diagnosis of IE as it can visualize valvular vegetations and paravalvular complications with high accuracy. However, transoesophageal echocardiography has limitations in the case of device-associated endocarditis (i.e. prosthetic valve (PVE) or cardiovascular implantable electronic device (CIED) infection). Radionuclide imaging techniques using <sup>18</sup>F-fluorodeoxyglucose positron emission tomography (FDG PET) or white blood cell single-photon emission computed tomography (WBC SPECT) are accurate techniques to pick-up inflammatory cells. They have shown incremental diagnostic value for detecting PVE and CIED infection. Adding computed tomography angiography allows accurate co-registration of inflammatory signal and anatomical structure, and improves the detection of paravalvular complications such as abscesses or pseudoaneurysms. Current European Society of Cardiology guidelines have recently adopted the use of FDG PET/CT or WBC SPECT/CT in their recommendations for the work-up of suspected or uncertain PVE.
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Hyafil, Fabien, Dominique Le Guludec, and Oliver Gaemperli. "Endocarditis and device infection." In ESC CardioMed, edited by Philipp Kaufmann. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0127_update_001.
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The diagnosis of infective endocarditis (IE) is often challenging and based on careful integration of clinical, microbiological, and imaging findings. The classical diagnostic scores (e.g. Duke criteria) have drawbacks as they leave clinicians with a considerable number of uncertain cases, in which further management is unclear and important therapeutic actions possibly delayed. Transoesophageal echocardiography is the preferred imaging technique for the diagnosis of IE as it can visualize valvular vegetations and paravalvular complications with high accuracy. However, transoesophageal echocardiography has limitations in the case of device-associated endocarditis (i.e. prosthetic valve (PVE) or cardiovascular implantable electronic device (CIED) infection). Radionuclide imaging techniques using <sup>18</sup>F-fluorodeoxyglucose positron emission tomography (FDG PET) or white blood cell single-photon emission computed tomography (WBC SPECT) are accurate techniques to pick-up inflammatory cells. They have shown incremental diagnostic value for detecting PVE and CIED infection. Adding computed tomography angiography allows accurate co-registration of inflammatory signal and anatomical structure, and improves the detection of paravalvular complications such as abscesses or pseudoaneurysms. Current European Society of Cardiology guidelines have recently adopted the use of FDG PET/CT or WBC SPECT/CT in their recommendations for the work-up of suspected or uncertain PVE.
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Dang, Anh Nguyet, and Akiyuki Kawasaki. "A Review of Methodological Integration in Land-Use Change Models." In Geospatial Intelligence. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8054-6.ch080.
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Global change research communities are paying increasing attention to answering critical questions related to land-use change, questions which are at the root of many pressing socio-economic and environmental issues. In this regard, a huge number of models have been developed to support future land-use planning and environmental impact assessments of land-use change activities. Within land-use change models, methodological integration is recognized as an essential feature for a complete model, which can help to combine the strength of single modelling methods/techniques without inherent weaknesses. Despite the potential and remarkable growth of methodological integration in land-use change models, limited attention has been paid to this aspect of integration. In response to this, the authors' paper summarizes the current major land-use modelling methods/techniques, and explains the co-integration of these methods/techniques. In addition, they summarize the achievements, limitations and future trends in the use of the methodological integration approach in land-use change models.
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Dotson, Taylor. "Achieving Communitarian Techniques and Artifacts." In Technically Together. The MIT Press, 2017. http://dx.doi.org/10.7551/mitpress/9780262036382.003.0009.
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This chapter explores the socio-political factors that ensure the obduracy of thinly communal domestic environments, child-rearing techniques, and consumer technologies. Sociopolitical support is lacking for heat sources that encourage congregation and for the practice of collective mealtimes. Cultural ideas and anxieties regarding sleep and child development deter parents from co-sleeping with their children. A lack of architectural imagination and municipal support makes it challenging to build vibrant and comfortable public spaces. Budget crunches and “warrior cop” culture stand in the way of more communal policing arrangements. Family members’ lack of sufficient experience working through conflict productively and several wrongheaded policies prevent the better integration of the aged into thick social webs. Finally, take back laws and tool libraries are likely be necessary if communities of repair are to flourish. In any case, targeting the artifacts that support networked individualism is probably more challenging than larger scale technologies, given the dominance of technologically liberal worldviews. Insofar as citizens see technologies as volition-enhancers rather than also barriers to desirable modes of life, any intervention is liable to be seen as infringing on their freedom.
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Kumar, Santosh, Bharat Kumar Meher, Birău Ramona, Virgil Popescu, and Abhishek Anand. "A Holistic Study on India's Sustainable Economic Development and Global Challenges." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-2845-3.ch020.
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This book chapter reviews the long-term impact of Agriculture, forestry, and fishing, value added (% of GDP), Industry (including construction), value added (% of GDP), Manufacturing, value added (% of GDP), Services, value added (% of GDP), Imports of goods and services (% of GDP), Exports of goods and services (% of GDP), and Trade (% of GDP) on India's GDP growth (annual %) from 1960 to 2022. We employed ADF and PP unit root tests to examine the variables' stationarity. This study utilized different econometric techniques, including the ARDL bound-testing strategy and the Johansen co-integration procedure, to establish the long-term co-integrating relationship between the variables. The empirical results obtained by the ARDL bound-testing method validate the existence of a significant long-term co-integrating relationship among the variables. The long-run results demonstrated that most of the macro-economic variables have a substantial positive effect on India's GDP growth.
Conference papers on the topic "Co-integration technique"
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Salano, Loretta, Ilaria Dagna, Mattia Vallerio, and Flavio Manenti. "Development and Integration of a Co-Current Hollow Fiber Membrane Unit for Gas Separation in Process Simulators Using CAPE-OPEN Standards." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.182712.
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Process simulation is essential for optimizing chemical processes, offering a cost-effective alternative to the experimental approach. This study presents a co-current hollow fibre membrane model for CO2 separation, integrated into Aspen HYSYS� using the CAPE-OPEN standard. A one-dimensional boundary value problem (BVP) is solved through the shooting method, ensuring accuracy for complex gas separation processes. The unit is implemented in C++, facilitating interoperability, error handling, and optimization of key performance indicators like energy consumption and separation efficiency. Appropriate output variables are employed in the Aspen HYSYS� environment to enable direct sensitivity analysis and optimization within the process simulator. Results Sensitivity analysis results demonstrate that the co-current hollow fiber membrane unit improves methane recovery compared to a pressure swing water absorption (PSWA) column for biogas upgrading to biomethane. While membrane technology showed a 24% reduction in energy consumption for biomethane production, PSWA exhibits higher efficiency for biomethanol production. This study not only demonstrates the value of CAPE-OPEN standards in implementing custom unit operations but also lays the groundwork for future developments in process simulation using advanced mathematical modelling and optimization techniques.
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Re, Guido Maria, Giandomenico Caruso, Paolo Belluco, and Monica Bordegoni. "Hybrid Technique to Support the Tracking in Unstructured Augmented Reality Environments." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70651.
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In this paper, we present a new Augmented Reality (AR) tracking technique that integrates the marker-based tracking with the tracking ability of a commercial mobile robot. The role of the mobile robot is to co-work with the user for extending the working space of the marker-based tracking technique. The robot follows the user’s movements during the exploration in the AR environment and updates the position of a fiducial marker, which is fixed on it. The robot is automatically controlled through the device used to visualize the AR scene. The paper discusses the issues related to the integration of these two tracking techniques and proposes an AR application, which has been developed to demonstrate the feasibility of our approach. Technical issues and performances have been assessed through several testing sessions.
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Muntaka, Abdul Rahman Mohammed, Oluwaseun Adeoye Oyebamiji, and Abiola Adeniyi. "Impact of Foreign Direct Investment on Poverty in Ghana: A Johansen Co-integration Analysis." In 7th International Students Science Congress. Izmir International guest Students Association, 2023. http://dx.doi.org/10.52460/issc.2023.028.
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In the past years, Ghana has witnessed a significant increase in Foreign Direct Investment which is expected to translate into transformative growth that reduces poverty and inequality; however, the country’s poverty and income inequality profile remain high. Foreign direct investment (FDI) and poverty research are important because FDI can have both positive and negative effects on poverty levels in host countries [1]. The positives imply that FDI can bring in capital, technology, and job opportunities, which can help reduce poverty by boosting economic growth and raising people's living standards. On the other hand, FDI can displace local businesses, exacerbate income inequality, and have environmental consequences that harm the poorest members of society. Understanding the relationship between FDI and poverty can assist policymakers and businesses in making informed decisions that promote inclusive and sustainable economic growth and reduce poverty. This study investigates the impact of FDI on poverty in Ghana using a 29-year data set from (1990 to 2018). Analysis was done using the Johansen Cointegration technique. The literature informed the variables used for this study. The Gini coefficient (which serves as a proxy for poverty and its parts of the FGT poverty indices family), foreign direct investment (FDI), GDP per Capita, exchange rate, trade openness, and inflation rate were all cointegrated. The results of the study showed that FDI, GDP per capita, inflation rate, and exchange rate widen the income inequality gap, hence, increasing the poverty incidence. In contrast, an increase in trade openness reduces the Gini coefficient implying a reduction in income inequality and poverty.
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Muntaka, Abdul Rahman Mohammed, Oluwaseun Adeoye Oyebamiji, and Abiola Adeniyi. "Impact of Foreign Direct Investment on Poverty in Ghana: A Johansen Co-integration Analysis." In 7th International Students Science Congress. Izmir International guest Students Association, 2023. http://dx.doi.org/10.52460/issc.2023.028.
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In the past years, Ghana has witnessed a significant increase in Foreign Direct Investment which is expected to translate into transformative growth that reduces poverty and inequality; however, the country’s poverty and income inequality profile remain high. Foreign direct investment (FDI) and poverty research are important because FDI can have both positive and negative effects on poverty levels in host countries [1]. The positives imply that FDI can bring in capital, technology, and job opportunities, which can help reduce poverty by boosting economic growth and raising people's living standards. On the other hand, FDI can displace local businesses, exacerbate income inequality, and have environmental consequences that harm the poorest members of society. Understanding the relationship between FDI and poverty can assist policymakers and businesses in making informed decisions that promote inclusive and sustainable economic growth and reduce poverty. This study investigates the impact of FDI on poverty in Ghana using a 29-year data set from (1990 to 2018). Analysis was done using the Johansen Cointegration technique. The literature informed the variables used for this study. The Gini coefficient (which serves as a proxy for poverty and its parts of the FGT poverty indices family), foreign direct investment (FDI), GDP per Capita, exchange rate, trade openness, and inflation rate were all cointegrated. The results of the study showed that FDI, GDP per capita, inflation rate, and exchange rate widen the income inequality gap, hence, increasing the poverty incidence. In contrast, an increase in trade openness reduces the Gini coefficient implying a reduction in income inequality and poverty.
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Liao, Gene Y. "Co-Simulation of Power Steering Control and Vehicle Dynamic Responses." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/met-25510.
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Abstract Many general-purpose and specialized simulation codes are becoming more flexible which allows analyses to be carried out simultaneously in a coupled manner called co-simulation. Using co-simulation technique, this paper develops an integrated simulation of an Electric Power Steering (EPS) control system with a full vehicle dynamic model. A full vehicle dynamic model interacting with EPS control algorithm is concurrently simulated on a single bump road condition. The effects of EPS on the vehicle dynamic behavior and handling responses resulting from steer and road input are analyzed and compared with proving ground experimental data. The comparisons show reasonable agreement on tie-rod load, rack displacement, steering wheel torque and tire center acceleration. This developed co-simulation capability may be useful for EPS performance evaluation and calibration as well as for vehicle handling performance integration.
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Ardito, Raffaele, Federico Perotti, Simone Mandelli, Davide Novarina, and Stefano Malavasi. "Fluid-Structure Interaction and Co-Simulation: Analysis of a Beam-Supported Sphere for VIV Application." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28758.
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The recent developments in numerical tools and computing resources seem to provide a suitable environment to perform numerical analyses of Fluid-Structure Interaction problems. The Co-Simulation technique, in particular, develops the idea of coupling a CFD software with a structural one in order to simulate complex FSI phenomena with a partitioned approach, stressing the concept of software modularity. In this way, it is possible to adopt software tools at the cutting edge of technology. Nonetheless, several difficulties may arise in the choice of the partitioning scheme and of the algorithmic details for the step-by-step time integration. This paper deals with the application of the Co-Simulation technique to a benchmark case experimentally investigated in previous works: the vortex-induced vibrations (VIV) of a beam supported sphere (that is, a sphere fixed to the end of a slender cantilever beam) in a free surface flow. This problem is challenging although apparently simple and it seems quite absent from literature so far. In this paper, the computational issues are thoroughly investigated and the model is validated by comparison with the experimental data. In this way, a robust framework is created in order to deal with VIV problems.
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Pu, R., R. Jurrat, E. M. Hayes, C. W. Wilmsen, K. D. Choquette, and K. M. Geib. "Optical processing arrays based on VCSELs bonded directly to GaAs smart pixels." In Spatial Light Modulators. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/slmo.1997.smb.4.
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VCSELs are near ideal light sources for free space, parallel optical interconnects since they are highly efficient, can be fabricated into 2D arrays and emit a low divergence column of light normal to the surface. However, integrating the VCSELs into smart pixels introduces fabrication problems since they can not be grown on foundry fabricated Si CMOS or GaAs MESFET circuits. Thus, the fabrication of complex pixels is difficult. Three methods of electrically connecting VCSELs to electronic chips have been discussed by Bryan et al. [1]; wire bonding, bridge bonding, and flip chip bonding to the whole VCSEL chip to a separate area of the electronic chip. Unfortunately none of these techniques are suitable for large-high speed arrays since they involve excessive numbers of long electrical lead wires or thin film traces which occupy a large area and add significantly to the capacitance and inductance of the circuit. Recently Goosen et al. [2] have developed a co-planar flip-chip bonding process for the attachment of SEED devices to CMOS chips. Their process has been shown to be both scalable and reliable [3]. This technique significantly increases the combined array size and decreases the interconnect capacitance and inductance allowing for much faster operation. The present paper reports the development of a co-planar bonding technique for VCSELs onto prefabricated pixel chips. This paper presents the details of this flip-chip bump-bonding integration.
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Castro, Nathan J., Christopher O’Brien, and Lijie Grace Zhang. "Development of Biomimetic and Bioactive 3D Nanocomposite Scaffolds for Osteochondral Regeneration." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-66107.
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Osteochondral tissue is composed of ordered and random biological nanostructures and can, in principal, be classified as a nanocomposite material. Thus, the objective of this research is to develop a novel biomimetic biphasic nanocomposite scaffold via a series of 3D fabricating techniques for osteochondral tissue regeneration. For this purpose, a highly porous Poly(caprolactone) (PCL) bone layer with bone morphogenetic protein-2 (BMP-2)-encapsulated Poly(dioxanone) (PDO) nanospheres and nanocrystalline hydroxyapatite was photocrosslinked to a Poly(ethylene glycol)-diacrylate (PEG-DA) cartilage layer containing transforming growth factor-β1 (TGF-β1)-encapsulated PLGA nanospheres. Novel tissue-specific growth factor-encapsulated nanospheres were efficiently fabricated via a wet co-axial electrospraying technique. Integration and porosity of the distinct layers was achieved via co-porogen leaching and ultraviolet (UV) photocrosslinking of water soluble poly(ethylene glycol) (PEG) and <150 um sodium chloride salt particles providing greater control over pore size and increased surface area. Our in vitro results showed significantly improved human bone marrow derived mesenchymal stem cells (hMSCs) adhesion and differentiation in bone and cartilage layers, respectively. In addition, we are working on developing a novel table top stereolithography (SL) apparatus for the manufacture of custom designed 3D biomimetic scaffolds with incorporated growth factor encapsulated nanospheres for osteochondral defect repair. Our early-stage SL development has illustrated good corroboration between computer-aided design (CAD) and manufactured constructs with controlled geometry. The ultimate goal of the novel tabletop SL system is the manufacture of patient-specific implantable 3D nanocomposite scaffolds for osteochondral defect repair. The current SL system developed in our lab allows for efficient photocrosslinking of two novel nanocomposite polymeric materials for the manufacture of three-dimensional (3D) osteochondral constructs with good spatiotemporal control of growth factor release in addition to exhibiting similar mechanical properties to that of the native tissues being addressed.
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Lakshmipathy, Ramesh, and Sundar Krishnamurty. "Uncertainty Analysis Using a Constraint Reliability Index." In ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2002. http://dx.doi.org/10.1115/detc2002/dac-34142.
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This work proposes an uncertainty metric to capture and encode parametric uncertainty information that will enable engineering decision analyst to combine and compute probabilities of expected outcomes through mathematical constructs of joint probability functions. Its integration in a mechanical design system can be expected to facilitate simulation-based design under uncertainty. Specifically, the proposed technique helps to study the impact of the probabilistic nature of the input design or state variables and by applying the concept of failure probability aims to generate the corresponding probabilistic information of the output performance function. This work is based on evaluating a series of probabilities that the output cannot exceed a certain value for a given perturbed value of the design point. In this context, this paper reviews the First Order Second Moment (FOSM) reliability theory where the random parameters influencing the design appear only through their means and co-variances. Building on these works, an alternate approach is presented taking into account the fact that the system output is all the more influenced by functional constraints in the system, which if ignored can lead to inaccurate or irrelevant error estimation and could seriously affect subsequent posterior decision analysis. This work includes a reliable and efficient error estimation procedure to identify design points that violate boundary conditions through methodical constraint evaluations and subsequent adjusting of output estimation values. The proposed method is illustrated with the aid of a constrained optimization case study and an I-beam design problem.
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Odejobi, O., Phillip Ayoola, M. Abiodun, and M. Abioye. "Performance Evaluation of the Nigerian Petroleum Industry: modular refinery plant alternative." In 2019 African Institute for Science Policy and Innovation International Biennial Conference. Koozakar LLC, 2019. http://dx.doi.org/10.69798/11782243.
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This study monitored the trend and evaluated the performance of the Nigerian Petroleum Industry (NPI) over a period of ten (10) years and also examined oil revenue and its impact on economic growth over a period of twenty-six (26) years. Secondary data on Gross Domestic Product (GDP) was used as a benchmark for economic growth. Oil revenue (OREV) and government expenditure (GEXP) which represented the decision variables were sourced from CBN publications. Advanced econometric techniques such as Augmented Dickey-Fuller Unit Root Test, Johansen Co-integration Test, Vector Error Correction Mechanism (VECM) and the net present value (NPV) method were employed and the result revealed that the variables that were not integrated on the same order justifying co-integration and error correction mechanism test. The co-integration result indicated that there is a long-run relationship between the variables with three co-integrating equation(s) and the result obtained from the error correction mechanism test shows that a
Reports on the topic "Co-integration technique"
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Deppe, Sahar. AI-based reccomendation system for industrial training. Kompetenzzentrum Arbeitswelt.Plus, 2023. http://dx.doi.org/10.55594/vmtx7119.
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Recommendation systems have become a main part of e-learning, reshaping the landscape of digital education. In an era marked by the proliferation of online courses, diverse learning materials, and users with varying needs, these systems offer a dynamic solution. This paper explores recommendation techniques and their role in e-learning and web-based training, delving into their mechanisms, challenges, and opportunities. Moreover, future directions of these systems in e-learning, including the integration of artificial intelligent and emerging technologies, and the quest for transparency and privacy are highlighted. Additionally, a case study is discussed which focuses on providing a recommendation system in order to offer optimal courses for the employees of Weidmüller Interface GmbH & Co. KG.