Relevant bibliographies by topics / Area under curve method

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Area under curve method'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Area under curve method"

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Miura, Kakeru, Satoshi Yamashita, and Shinto Eguchi. "Area under the curve maximization method in credit scoring." Journal of Risk Model Validation 4, no. 2 (2010): 3–25. http://dx.doi.org/10.21314/jrmv.2010.057.

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Jain, Pritam S., Harshal P. Chaudhari, Pankaj R. Bari, and Sanjay J. Surana. "Area under Curve Method Development and Validation of Rizatriptan Benzoate." International Journal of Pharmaceutical Chemistry and Analysis 3, no. 1 (2016): 13. http://dx.doi.org/10.5958/2394-2797.2016.00002.2.

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Mangal, B. Gahandule* Shanker M. Dhobale1. "ESTIMATION OF HYDROCHLOROTHIAZIDE IN BULK AND TABLET DOSAGE FORMS BY AREA UNDER CURVE SPECTROPHOTOMETRIC METHOD." INDO AMERICAN JOURNAL OF PHARMACEUTICAL RESEARCH 07, no. 01 (2017): 7420–25. https://doi.org/10.5281/zenodo.1006947.

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A simple, accurate and precise area under curve method was developed for spectrophotometric estimation of hydrochlorothiazide in pure and tablet dosage forms. “The area under two points on the mixture spectra is directly proportional to the concentration of the component of interest” is the AUC curve. The area selected for estimation of hydrochlorothiazide was between 260 to 280 nm. The method represented regression coefficient (R2 = 0.999) at concentration rang 5-25 μg/ml. Estimation of the drugs was found up to 100 % representing the accuracy of the method. The recovery of the hydrochlorothi
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Santosh, Karajgi* Raghavendra Kulkarni Somashekhar Metri and Ashwini Wadekar. "AREA UNDER CURVE UV SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF CEFPODOXIME PROXETIL IN SINGLE COMPONENT TABLETS." Indian Journal of Medical Research and Pharmaceutical Sciences 3, no. 9 (2016): 28–35. https://doi.org/10.5281/zenodo.61776.

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An UVspectrophotometric area under curve method is developed for the estimation of Cefpodoxime Proxetil in its single component tablets. The new method is area under curve method for the analysis of Cefpodoxime Proxetil using methanol as solvent for the drug. Cefpodoxime Proxetil has absorbance maxima at 235nm at area under curve wavelength range of 230nm-240nm. Cefpodoxime Proxetil obeys Beer’s law in concentration range 10-50µg/ml. The recovery studies ascertained accuracy of the proposed method; results validated according to ICH guideline. Results were found satisfactory and re
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Mohammed Qasim Al-Samarrai and Khlaf F Al-Samarrai. "Determination of Riboflavin and Cyanocobalamine Spectrophotometricaly via Area Under Curve Method." Tikrit Journal of Pure Science 22, no. 10 (2023): 139–45. http://dx.doi.org/10.25130/tjps.v22i10.899.

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A simple, sensitive, accurate and economical spectrophotometric method for determination of Riboflavin (RIBO) and Cyanocobalamin (CCA) in pure and pharmaceutical forms was developed .The method based on the area under curve (AUC) in the region between 400-526 nm for RIBO and 538-562nm for CCA. The method obey Beers law in the concentration range between 10- 90 µg.ml-1 of RIBO and 6- 96 µg.ml-1 of CCA. The Rec% range was between 97.6542-103.5198 % and RSD% 0.5871-0.7542 % , LOD 0.2168 µg.ml-1, LOQ 0.8560 µg.ml-1 of RIBO. The Rec% range was between 99.7835-102.3990 % and RSD% 0.4811-0.8238 % and
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Kirankumar, S. V., Gnana Babu C. Jose, and H. G. Sowmya. "Validated AUC Method for the Spectrophotometric Estimation of Cefadroxil in Bulk and Tablet Dosage Form." International Journal of Research and Review 7, no. 6 (2020): 226–30. https://doi.org/10.5281/zenodo.3952300.

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A new and simple Area under curve spectroscopic method was developed and validated for the estimation of Cefadroxil in bulk and pharmaceutical dosage form and Area under curve was measured at 257-267nm in 0.1N Hydrochloric acid. The linearity was found to be in the concentration range of 2-10 µg/ml and the correlation coefficient was found to be 0.9997 and it has showed good linearity, reproducibility, precision in this concentration range. The regression equation was found to be Y=0.0342X +0.0008. The % recovery values were found to be within the 99.79-100.9% and showed that the method
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Ekström, Joakim, Jim Åkerrén Ögren, and Tobias Sjöblom. "Exact Probability Distribution for the ROC Area under Curve." Cancers 15, no. 6 (2023): 1788. http://dx.doi.org/10.3390/cancers15061788.

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The Receiver Operating Characteristic (ROC) is a de facto standard for determining the accuracy of in vitro diagnostic (IVD) medical devices, and thus the exactness in its probability distribution is crucial toward accurate statistical inference. We show the exact probability distribution of the ROC AUC-value, hence exact critical values and p-values are readily obtained. Because the exact calculations are computationally intense, we demonstrate a method of geometric interpolation, which is exact in a special case but generally an approximation, vastly increasing computational speeds. The meth
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Janssens, A. Cecile J. W., and Forike K. Martens. "Reflection on modern methods: Revisiting the area under the ROC Curve." International Journal of Epidemiology 49, no. 4 (2020): 1397–403. http://dx.doi.org/10.1093/ije/dyz274.

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Abstract The area under the receiver operating characteristic (ROC) curve (AUC) is commonly used for assessing the discriminative ability of prediction models even though the measure is criticized for being clinically irrelevant and lacking an intuitive interpretation. Every tutorial explains how the coordinates of the ROC curve are obtained from the risk distributions of diseased and non-diseased individuals, but it has not become common sense that therewith the ROC plot is just another way of presenting these risk distributions. We show how the ROC curve is an alternative way to present risk
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Purves, Robert D. "Optimum numerical integration methods for estimation of area-under-the-curve (AUC) and area-under-the-moment-curve (AUMC)." Journal of Pharmacokinetics and Biopharmaceutics 20, no. 3 (1992): 211–26. http://dx.doi.org/10.1007/bf01062525.

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Fukumoto, M., L. Bax, A. Kohno, Y. Morishita, and H. Tsuruta. "Limited Sampling Strategies to Estimate the Area under the Concentration-time Curve." Methods of Information in Medicine 51, no. 05 (2012): 383–94. http://dx.doi.org/10.3414/me11-01-0071.

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SummaryBackground: Over 100 limited sampling strategies (LSSs) have been proposed to reduce the number of blood samples necessary to estimate the area under the concentration-time curve (AUC). The conditions under which these strategies succeed or fail remain to be clarified.Objectives: We investigated the accuracy of existing LSSs both theoretically and numerically by Monte Carlo simulation. We also proposed two new methods for more accurate AUC estimations.Methods: We evaluated the following existing methods theoretically: i) nonlinear curve fitting algorithm (NLF), ii) the trapezium rule wi
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Dissertations / Theses on the topic "Area under curve method"

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Dunning, Allison. "Comparing Bootstrap and Jackknife Variance Estimation Methods for Area Under the ROC Curve Using One-Stage Cluster Survey Data." VCU Scholars Compass, 2009. http://scholarscompass.vcu.edu/etd/1849.

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The purpose of this research is to examine the bootstrap and jackknife as methods for estimating the variance of the AUC from a study using a complex sampling design and to determine which characteristics of the sampling design effects this estimation. Data from a one-stage cluster sampling design of 10 clusters was examined. Factors included three true AUCs (.60, .75, and .90), three prevalence levels (50/50, 70/30, 90/10) (non-disease/disease), and finally three number of clusters sampled (2, 5, or 7). A simulated sample was constructed for each of the 27 combinations of AUC, prevalence
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Tang, Tian. "Infrared Spectroscopy in Combination with Advanced Statistical Methods for Distinguishing Viral Infected Biological Cells." Digital Archive @ GSU, 2008. http://digitalarchive.gsu.edu/math_theses/59.

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Fourier Transform Infrared (FTIR) microscopy is a sensitive method for detecting difference in the morphology of biological cells. In this study FTIR spectra were obtained for uninfected cells, and cells infected with two different viruses. The spectra obtained are difficult to discriminate visually. Here we apply advanced statistical methods to the analysis of the spectra, to test if such spectra are useful for diagnosing viral infections in cells. Logistic Regression (LR) and Partial Least Squares Regression (PLSR) were used to build models which allow us to diagnose if spectral differences
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Luo, Shan. "Advanced Statistical Methodologies in Determining the Observation Time to Discriminate Viruses Using FTIR." Digital Archive @ GSU, 2009. http://digitalarchive.gsu.edu/math_theses/86.

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Fourier transform infrared (FTIR) spectroscopy, one method of electromagnetic radiation for detecting specific cellular molecular structure, can be used to discriminate different types of cells. The objective is to find the minimum time (choice among 2 hour, 4 hour and 6 hour) to record FTIR readings such that different viruses can be discriminated. A new method is adopted for the datasets. Briefly, inner differences are created as the control group, and Wilcoxon Signed Rank Test is used as the first selecting variable procedure in order to prepare the next stage of discrimination. In the seco
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Dodd, Lori Elizabeth. "Regression methods for areas and partial areas under the receiver-operating characteristic curve /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/9567.

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Zheng, Shimin. "The ROC Curve and the Area under the Curve (AUC)." Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/etsu-works/139.

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池田, 充., Takeo Ishigaki, Mitsuru Ikeda, 一信 山内, and Kazunobu Yamauchi. "Relationship between Brier score and area under the binormal ROC curve." Elsevier, 2002. http://hdl.handle.net/2237/5310.

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Sun, Fangfang. "Semi-parametric inference for the partial area under the ROC curve." unrestricted, 2008. http://etd.gsu.edu/theses/available/etd-11192008-113213/.

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Thesis (M.S.)--Georgia State University, 2008.<br>Title from file title page. Gengsheng Qin, committee chair; Yu-Sheng Hsu, Yixin Fang, Yuanhui Xiao, committee members. Description based on contents viewed July 22, 2009. Includes bibliographical references (p. 29-30).
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Galadima, Hadiza I. "Controlling for Confounding when Association is Quantified by Area Under the ROC Curve." VCU Scholars Compass, 2015. http://scholarscompass.vcu.edu/etd/3905.

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In the medical literature, there has been an increased interest in evaluating association between exposure and outcomes using nonrandomized observational studies. However, because assignments to exposure are not done randomly in observational studies, comparisons of outcomes between exposed and non-exposed subjects must account for the effect of confounders. Propensity score methods have been widely used to control for confounding, when estimating exposure effect. Previous studies have shown that conditioning on the propensity score results in biased estimation of odds ratio and hazard ratio.
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Wang, Wen-Chyi. "Regularized variable selection in proportional hazards model using area under receiver operating characteristic curve criterion." College Park, Md.: University of Maryland, 2009. http://hdl.handle.net/1903/9972.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2009.<br>Thesis research directed by: Dept. of Mathematics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Nguyen, Dong-Hai. "Facilitating students application of the integral and the area under the curve concepts in physics problems." Diss., Kansas State University, 2011. http://hdl.handle.net/2097/8631.

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Doctor of Philosophy<br>Department of Physics<br>Nobel S. Rebello<br>This research project investigates the difficulties students encounter when solving physics problems involving the integral and the area under the curve concepts and the strategies to facilitate students learning to solve those types of problems. The research contexts of this project are calculus-based physics courses covering mechanics and electromagnetism. In phase I of the project, individual teaching/learning interviews were conducted with 20 students in mechanics and 15 students from the same cohort in electromagnetism.
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Books on the topic "Area under curve method"

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Irvine, J. R. Area-under-the curve salmon escapement estimation manual. Dept. of Fisheries and Oceans, 1993.

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Maksurov, Aleksey. Ensuring information security on the Internet. INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1942595.

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The monograph examines the features of legal relations in the field of information security in the global information space. The concept of "cybersecurity" is investigated, the institutional independence of the norms of law on ensuring security in the cyber environment is substantiated from the point of view of the subject and method of legal regulation. Considerable attention is paid to the characteristics of the sources of law on ensuring information security on the Internet. Substantial proposals have been made to improve legal regulation in this area both at the national (primarily Russian
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Hodson, Dermot. 7. Policy-Making under Economic and Monetary Union Crisis, Change, and Continuity. Oxford University Press, 2017. http://dx.doi.org/10.1093/hepl/9780199689675.003.0007.

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This chapter examines the role of the economic and monetary union (EMU) in the European Union’s macroeconomic policy-making. As of 2015, nineteen members of the euro area have exchanged national currencies for the euro and delegated responsibility for monetary policy and financial supervision to the European Central Bank (ECB). EMU is a high-stakes experiment in new modes of EU policy-making insofar as the governance of the euro area relies on alternatives to the traditional Community method, including policy coordination, intensive transgovernmentalism, and delegation to de novo bodies. The c
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Candela-Toha, Angel, Teresa Tenorio, Aurora Lietor, and Fernando Liaño. Scoring systems in acute kidney injury patients. Edited by Norbert Lameire. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199592548.003.0236.

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The development of severity of illness scoring systems in the intensive care unit was prompted by the high mortality of patients in this setting. The great changes in the field of intensive care medicine have fostered new and more complex generations of scoring systems. There are several versions of the three major models used, APACHE, SAPS, and MPM. Among them, APACHE II remains the most frequently used. When these generic models are applied to acute kidney injury (AKI) patients, their discrimination ability measured by the area under the receiver operating characteristic curve is about 0.8.
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Skiba, Grzegorz. Fizjologiczne, żywieniowe i genetyczne uwarunkowania właściwości kości rosnących świń. The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 2020. http://dx.doi.org/10.22358/mono_gs_2020.

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Bones are multifunctional passive organs of movement that supports soft tissue and directly attached muscles. They also protect internal organs and are a reserve of calcium, phosphorus and magnesium. Each bone is covered with periosteum, and the adjacent bone surfaces are covered by articular cartilage. Histologically, the bone is an organ composed of many different tissues. The main component is bone tissue (cortical and spongy) composed of a set of bone cells and intercellular substance (mineral and organic), it also contains fat, hematopoietic (bone marrow) and cartilaginous tissue. Bones a
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Rhodes, R. A. W. On Westminster. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198786115.003.0011.

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This chapter is not an example of comparative politics but of area studies, a field that is descriptive, cultural, historical, and contextual, seeking to analyse a country or region. The chosen area is the dominion countries of the British Commonwealth. The chosen method is the textual analysis of primary sources: speeches, writings, evidence to inquiries, and interviews by heads of the public services. This chapter analyses how the heads of the public services articulate the traditions of ‘constitutional bureaucracy’ found in Westminster systems of parliamentary government and selectively dra
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Erkkilä, Jaakko. Mixed Methods Research in Music Therapy. Edited by Jane Edwards. Oxford University Press, 2015. http://dx.doi.org/10.1093/oxfordhb/9780199639755.013.12.

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Mixed Methods Research (MMR) combines different research methodologies in the same study with the goals of producing better and more profound knowledge of the phenomenon under investigation than use of a single method would achieve. Typically, both quantitative and qualitative approaches are employed in MMR. Music therapy is an example of a complex research area, where MMR can be considered a suitable way to capture and reflect the complexity of practice. There are many ways to understand and conduct MMR and the field is developing quickly. The chapter briefly describes MMR and its latest deve
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Andersson, Jenny. Predicting the Future of American Society. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198814337.003.0006.

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The Commission for the Year 2000, created in 1964 in the American Academy of Arts and Science under the chairmanship of Daniel Bell was a key site for the domestication of the predictive technologies developed at RAND, in particular Delphi and the scenario method. Bell moved, in the years of the 1960s, from his notes on the end of ideology at the beginning of the decade to his conclusion that post-industrial society was a society prone to new forms of social conflict and in need of a new mechanism of coordination. Bell thought that he had found this mechanism in the area of forecasting and fut
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O’Dea, Geoff, Julian Long, and Alexandra Smyth. Schemes of Arrangement: Law and Practice. Oxford University Press, 2012. http://dx.doi.org/10.1093/oso/9780199665921.001.0001.

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This new guide to schemes of arrangement draws together all of the elements of the law and practice concerning both creditor and member schemes. Member schemes of arrangement have become the preferred method of implementing takeovers in the UK. Creditor schemes of arrangement are increasingly used in restructuring matters and the trend in their usage in foreign companies is likely to continue as many credit documents across Europe are arranged and underwritten in London under English law. The book considers the effect given to an English scheme in foreign jurisdictions, and other Private Inter
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Kulak, Dariusz. Wieloaspektowa metoda oceny stanu gleb leśnych po przeprowadzeniu procesów pozyskania drewna. Publishing House of the University of Agriculture in Krakow, 2017. http://dx.doi.org/10.15576/978-83-66602-28-1.

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Presented reasearch aimed to develop and analyse the suitability of the CART models for prediction of the extent and probability of occurrence of damage to outer soil layers caused by timber harvesting performed under varied conditions. Having employed these models, the author identified certain methods of logging works and conditions, under which they should be performed to minimise the risk of damaging forest soils. The analyses presented in this work covered the condition of soils upon completion of logging works, which was investigated in 48 stands located in central and south-eastern Pola
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Book chapters on the topic "Area under curve method"

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Huang, Julie. "Evaluation of Time-Dependent Cytochrome P450 Inhibition Using the Area Under the Curve Shift Method." In Methods in Pharmacology and Toxicology. Springer US, 2021. http://dx.doi.org/10.1007/978-1-0716-1542-3_7.

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Akimova, Tatiana, Matthew H. Levine, Ulf H. Beier, and Wayne W. Hancock. "Standardization, Evaluation, and Area-Under-Curve Analysis of Human and Murine Treg Suppressive Function." In Methods in Molecular Biology. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-3139-2_4.

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Fu, Yu, Siyuan Qiu, Zhifu Yu, Juan Su, and Xiaomeng Hou. "Damage Assessment of RPC Strengthened RC Columns Subjected to Blast Loading." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_43.

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AbstractIn our country, there are 60 billion square meters of existing leasable area, reactive powder concrete (RPC) has the characteristics of high toughness and high strength-to-weight ratio. RPC strengthened concrete (RC) forms RPC-RC structure, it is an important way for sustainable development of civil engineering to improve the anti-explosion ability of building structure while strengthening and reforming the structure. The dynamic response and damage assessment methods of RPC-RC columns subjected to blast loading are not clear. In order to solve this problem, the dynamic response of RPC
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Nguyen, Chi Cong, Phuoc Vo, Viet Long Doan, Quang Binh Nguyen, Tien Cuong Nguyen, and Quoc Dinh Nguyen. "Assessment of the Effects of Rainfall Frequency on Landslide Susceptibility Mapping Using AHP Method: A Case Study for a Mountainous Region in Central Vietnam." In Progress in Landslide Research and Technology, Volume 1 Issue 2, 2022. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18471-0_7.

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AbstractVietnam’s mountainous regions often encounter landslides, frequently resulting in fatalities, infrastructure damage, and landscape destruction. A landslide susceptibility map is an effective tool for mitigating disaster impacts on hazard-prone areas. This study investigates the applicability of the Analytic Hierarchy Process to produce a landslide susceptibility index. Eight major impact factors are analyzed using SAGA, a GIS-based toolkit, including slopes, aspect, land use, soil type, elevation, distance to road, distance to stream, and antecedent rainfall. Four landslide susceptibil
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Yang, Haiyuan. "Research on Anti-shear Performance of Steel-Mixed Combination Beam Bridge Single-Nail Shear Connector." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-4090-1_18.

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AbstractIn order to study the shear performance of single spigot shear connectors when applied in practical engineering, the shear performance research is carried out with the engineering background of a waveform steel web steel-mixed girder bridge under construction in a certain area, using the finite element modeling method to establish a local model in the connecting part of the steel box girder and the concrete plate, and combining with the practical engineering to carry out the simulation launching test of the spigot connectors and comparing the results of the load displacement curve with
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Hu, Linhao, Xuejin Zhao, Zihao Li, and Kunyong Zhang. "Research on Excavation Deformation of Foundation Pit Based on Seepage and Stress Coupling." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-7251-3_16.

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AbstractIn order to study the effect of seepage and stress coupling on excavation deformation of foundation pit, finite element numerical analysis method is used in this paper, taking a hanging water curtain foundation pit project under construction in the rich water stratum area of the Yangtze River floodplain as an example. By comparing the deformation index of the surrounding surface settlement foundation pit with different models, the law of the influence of seepage on the deformation of foundation pit excavation is obtained. The results show that when there is no foundation pit dewatering
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Erzagian, Egy, Wahyu Wilopo, and Teuku Faisal Fathani. "Landslide Susceptibility Zonation Using GIS-Based Frequency Ratio Approach in the Kulon Progo Mountains Area, Indonesia." In Progress in Landslide Research and Technology. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-44296-4_3.

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AbstractLandslides cause many casualties, environmental damage, property losses, and psychological impacts. Landslides frequently occur in the Kulon Progo Mountains area of Indonesia and are especially triggered by high-intensity rainfall between November and March. Research on landslide susceptibility in the Kulon Progo Mountains area can be a relevant tool to prevent or reduce the risk of landslide potential. Therefore, this research aims to develop a landslide susceptibility map using the frequency ratio (FR) method. Controlling factors, namely, elevation, slope, aspect, lithology, lineamen
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Kakas, Antonis C., David Cohn, Sanjoy Dasgupta, et al. "Area Under Curve." In Encyclopedia of Machine Learning. Springer US, 2011. http://dx.doi.org/10.1007/978-0-387-30164-8_28.

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Scherrmann, Jean-Michel, Kim Wolff, Christine A. Franco, et al. "Area Under the Curve." In Encyclopedia of Psychopharmacology. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-68706-1_1521.

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Hanson, R. Karl. "Area under the curve." In Prediction statistics for psychological assessment. American Psychological Association, 2022. http://dx.doi.org/10.1037/0000275-008.

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Conference papers on the topic "Area under curve method"

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Yang, L. "A Bare Metal Reference Electrode for Application under High-Tepmerature, High-Pressure and High-Radiation Conditions." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99460.

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Abstract A bare metal electrode device that was used to provide a pseudo reference potential was tested under high-temperature and high-pressure conditions. This reference potential was obtained from the polarization curve of the evolution reaction of hydrogen or oxygen. A cyclic voltammetric method was used in the experiments to obtain the polarization curve for the evolution reactions. Experimental results show that the measured potentials of a stainless steel electrode and a stainless steel vessel with respect to the new reference potential were consistent with the values measured against a
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Rocchini, Gabriele, and Giorgio Perboni. "Determination of the Validity Interval of Linear Approximation Method with Inter1 Code." In CORROSION 1988. NACE International, 1988. https://doi.org/10.5006/c1988-88105.

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Abstract A method is developed whereby it is possible to determine the width of the potential difference interval, ΔE, within which, on the basis of given criteria, the shape of the experimental polarization curve of an electrochemical system may be assumed to be linear. The study is based on the best-fitting of experimental polarization curves by the INTER1 code. If use is made, as in the present case, of the numerical analysis, the polynomial best-fitting allows all the aspects of this problem, except the determination of the roots of the final equation, to be developed analytically. Some of
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E., Robert, and Stephen Howell. "Alternate Characterizations of Fatigue Load Spectra." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11535.

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This paper improves prior efforts to provide a framework for fair, early, and meaningful assessment of rotorcraft fatigue durability. The authors provide methods to determine fatigue damage accumulation in accordance with piecewise exponential density functions, which represent the load spectra in a manner that is more manageable to the reader than prior efforts. The particular load spectra under consideration are for a conventional rotorcraft performing a scout mission. New formula are derived to calculate exceedances and cumulative damage fraction. Normalized critical endurance limits are de
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Schmauch, Ed, and Erwin Buck. "Computerized Electrochemical Corrosion Monitoring." In CORROSION 1987. NACE International, 1987. https://doi.org/10.5006/c1987-87270.

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Abstract Corrosion rates were determined by curve-fitting polarization data using nonlinear regression analysis. Continuous corrosion rate monitoring was implemented thru the use of repetitive scans and real time calculations. Polarization data was fit to the more appropriate of two electrochemical models of the corrosion process: an activation equation when both the anodic and cathodic reactions are under activation control; and an activation/mass-transport equation when the anodic reaction is under activation control and the cathodic reaction is mass-transport limited. Generally, the activat
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"The Area under the ROC Curve as a Criterion for Clustering Evaluation." In International Conference on Pattern Recognition Applications and Methods. SciTePress - Science and and Technology Publications, 2013. http://dx.doi.org/10.5220/0004265502760280.

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Kumaravelu, C., A. Ravi, A. Gopal, and Jayshil Joshi. "Estimation of oil content of single cotton seed using NIR spectrometer by area under curve method." In 2017 Trends in Industrial Measurement and Automation (TIMA). IEEE, 2017. http://dx.doi.org/10.1109/tima.2017.8064798.

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BOGGULA, NARENDER. "Method development and validations of Apixaban in bulk and its formulations by UV-spectroscopy (area under curve)." In MOL2NET 2018, International Conference on Multidisciplinary Sciences, 4th edition. MDPI, 2018. http://dx.doi.org/10.3390/mol2net-04-05617.

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Sukekawa, Masayuki, Nobuhiro Isobe, Hiroshi Shibamoto, Yoshihiko Tanaka, and Naoto Kasahara. "A Rational Identification of Creep Design Area Using Negligible Creep Curves." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93544.

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For extension of non-creep design area and simplification of design procedures, a rational identification method of creep design area by negligible creep (NC) curves was studied. NC curves of six kinds of austenite stainless and ferrite steels for fast reactors were determined based on domestic material data. NC curves provide the relation between temperature and time that does not induce damageable creep strain under the constant stress 1.5Sm (Sm: design stress intensity). In existing Japanese design guides, non-creep design area is severely restricted by constant upper temperature limit for
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Tang, Jun, Edwin Hardee, and Young H. Park. "Fatigue Reliability Based Optimal Replacement Decision Based on First Order Reliability Method." In ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71190.

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This paper introduces a maintenance decision-making strategy in the general area of the replacement and reliability of mechanical components. The decision-making strategy involves the optimization of the replacement interval based on fatigue failure of mechanical components. Fatigue reliabilities of a component under random cyclic loading need to be evaluated to determine the optimal replacement intervals under fatigue failure. This task is undertaken by determining a reliability factor using an inverse reliability analysis. A reliability-defined ε-N curve (R-ε-Nf curve) can be generated for a
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Limaiem, Anis, and Hoda A. ElMaraghy. "Curve Skinning Using Dual Kriging." In ASME 1997 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/detc97/dac-3977.

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Abstract This paper presents a new method for curve skinning based on dual Kriging interpolation. Curves that have arbitrary parametric forms are used to generate the surfaces. The surface generated is invariant under affine transformations and translations if the generator curves are also invariant under these transformations and the surface is as smooth as the Kriging profile. A general Kriging profile is used for the interpolation. Derivatives data and linear constraints may be specified along the cross direction at each generator curve, hence, allowing the construction of blending surfaces
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Reports on the topic "Area under curve method"

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Pang, Jinji. Nonparametric bootstrap methods for interval estimation of the area under the ROC curve for correlated diagnostic test data. Iowa State University, 2022. http://dx.doi.org/10.31274/cc-20240624-1064.

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Swankie. PR-273-063514-R01 Assessment of Corrosion Damage in Pipelines Subjected to Cyclic Pressure Loading. Pipeline Research Council International, Inc. (PRCI), 2009. http://dx.doi.org/10.55274/r0010966.

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A range of methods exist for assessing the remaining strength of a corroded pipeline under static pressure loading and these have now matured to the extent that they are incorporated in regulations and standards. However, there is currently no guidance for assessing the performance of a corroded pipeline under cyclic pressure loading. This is of potential concern to operators where there are significant pressure variations, for example where there is a demand for linepack storage and in liquid pipelines. It is possible that a corrosion defect could be assessed as acceptable for the maximum ope
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Swankie, Troy. DTPH56-05-T-003 The Assessment of Corrosion Damage in Pipelines Subject to Cyclic Pressure Loading. Pipeline Research Council International, Inc. (PRCI), 2009. http://dx.doi.org/10.55274/r0010975.

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A range of methods exist for assessing the remaining strength of a corroded pipeline under static pressure loading and these have now matured to the extent that they are incorporated in regulations and standards. However, there is currently no guidance for assessing the performance of a corroded pipeline under cyclic pressure loading. This is of potential concern to operators where there are significant pressure variations, for example where there is a demand for linepack storage and in liquid pipelines. It is possible that a corrosion defect could be assessed as acceptable for the maximum ope
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Wang, Yao, Jeehee Lim, Rodrigo Salgado, Monica Prezzi, and Jeremy Hunter. Pile Stability Analysis in Soft or Loose Soils: Guidance on Foundation Design Assumptions with Respect to Loose or Soft Soil Effects on Pile Lateral Capacity and Stability. Purdue University, 2022. http://dx.doi.org/10.5703/1288284317387.

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The design of laterally loaded piles is often done in practice using the p-y method with API p-y curves representing the behavior of soil at discretized points along the pile length. To account for pile-soil-pile interaction in pile groups, AASHTO (2020) proposes the use of p-multipliers to modify the p-y curves. In this research, we explored, in depth, the design of lateral loaded piles and pile groups using both the Finite Element (FE) method and the p-y method to determine under what conditions pile stability problems were likely to occur. The analyses considered a wide range of design scen
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Jittapiromsak, Nutchawan. Value of Dynamic Contrast-Enhanced Magnetic Resonance Imaging for Determining the Plasma Epstein-Barr Virus Status and Staging of Nasopharyngeal Carcinoma. Faculty of Medicine, Chulalongkorn University, 2019. https://doi.org/10.58837/chula.res.2019.9.

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Objective: To determine the associations between dynamic-contrast enhanced (DCE) magnetic resonance imaging (MRI) parameters and plasma Epstein-Barr virus (EBV) DNA status and nasopharyngeal carcinoma (NPC) stages. Methods: We prospectively studied the DCE MRI results of 47 patients with newly diagnosed NPC and a known pre-treatment plasma EBV DNA level. Regions of interest (ROIs) were drawn at primary tumors, and DCE MRI parameters, including mean and max values of Ktrans, Kep Ve, and Vp, were recorded. Spearman’s rank correlation was used to identify significant associations between DCE MRI
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Jury, William A., and David Russo. Characterization of Field-Scale Solute Transport in Spatially Variable Unsaturated Field Soils. United States Department of Agriculture, 1994. http://dx.doi.org/10.32747/1994.7568772.bard.

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This report describes activity conducted in several lines of research associated with field-scale water and solute processes. A major effort was put forth developing a stochastic continuum analysis for an important class of problems involving flow of reactive and non reactive chemicals under steady unsaturated flow. The field-scale velocity covariance tensor has been derived from local soil properties and their variability, producing a large-scale description of the medium that embodies all of the local variability in a statistical sense. Special cases of anisotropic medium properties not alig
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Wu, Bin, Lixia Guo, Kaikai Zhen, and Chao Sun. Diagnostic and prognostic value of miRNAs in hepatoblastoma: A systematic review with meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2021. http://dx.doi.org/10.37766/inplasy2021.11.0045.

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Review question / Objective: Background and aim: Increasing evidence has revealed the valuable diagnostic and prognostic applications of dysregulated microRNAs (miRNAs) in hepatoblastoma (HB), the most common hepatic malignancy during childhood. However, these results are inconsistent and remain to be elucidated. In the present study, we aimed to systematically compile up-to-date information regarding the clinical value of miRNAs in HB. Methods: Articles concerning the diagnostic and prognostic value of single miRNAs for HB were searched from databases. The sensitivity (SEN), specificity (SPE)
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Ndubuaka, Kachi. PR676-233801-R09 Pipe Vulnerability Analysis Methodology. Pipeline Research Council International, Inc. (PRCI), 2025. https://doi.org/10.55274/r0000142.

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Continuous buried pipelines are generally required to traverse long distances and as such, inevitably pass through unstable landforms which may impart critical levels of stress beyond the intrinsic capacity of the pipelines. The deformational response of buried pipelines subject to relative ground movement is strongly influenced by the geotechnical properties of the immediate backfill and surrounding soil, the size and direction of the soil movement in which the pipeline is embedded, as well as mechanical soil-pipe interaction behavior. With respect to the mode of deformation, relative ground
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Alwan, Iktimal, Dennis D. Spencer, and Rafeed Alkawadri. Comparison of Machine Learning Algorithms in Sensorimotor Functional Mapping. Progress in Neurobiology, 2023. http://dx.doi.org/10.60124/j.pneuro.2023.30.03.

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Objective: To compare the performance of popular machine learning algorithms (ML) in mapping the sensorimotor cortex (SM) and identifying the anterior lip of the central sulcus (CS). Methods: We evaluated support vector machines (SVMs), random forest (RF), decision trees (DT), single layer perceptron (SLP), and multilayer perceptron (MLP) against standard logistic regression (LR) to identify the SM cortex employing validated features from six-minute of NREM sleep icEEG data and applying standard common hyperparameters and 10-fold cross-validation. Each algorithm was tested using vetted feature
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Chiu, Chia-Yu, and Amara Sarwal. Impact of area under the curve-based vancomycin dosing combination with anti-pseudomonal beta-lactam antibiotics: a systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.12.0025.

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Review question / Objective: Did AUC-based vancomycin dosing reduce acute kidney injury than trough-based dosing when combined with anti-pseudomonal beta-lactam antibiotic? Condition being studied: Patients received Vancomycin combined with anti-pseudomonal beta-lactam antibiotics and monitor with either trough-base dosing or AUC-based dosing vancomycin. Information sources: All study types except case reports, case series, and conference abstracts were considered. PubMed, Embase, Cochrane Library, and ClinicalTrials.gov were searched from inception to November2022.
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