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Journal articles on the topic 'Gretl'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Eshquvvatov, Navruz. "IQTISODIY JARAYONLARNI MODELLASHTIRISHDA GRETL DASTURIDAN FOYDALANISH SAMARADORLIGINING SWOT TAHLILI." ACUMEN: INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH 2, no. 4 (2025): 184–86. https://doi.org/10.5281/zenodo.15225257.

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Ushbu maqolada Gretl dasturidan foydalanishning iqtisodiy jarayonlarni modellashtirishdagi samaradorligi SWOT tahlil asosida tahlil qilinadi. Gretl ochiq manbali dastur bo‘lib, statistik va ekonometrik modellar tuzishda qulay interfeys hamda kuchli funksional imkoniyatlarga ega. Maqolada Surxondaryo viloyati qishloq xo‘jaligidagi ishlab chiqarish ko‘rsatkichlari asosida real ma'lumotlar bilan regressiya modeli tuzilib, Gretl dasturida natijalar tahlil qilindi. SWOT tahlil orqali dasturdan foydalanishdagi kuchli va zaif tomonlar, imkoniyatlar va xavflar aniqlanib, iqtisodiy ta

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2

Mixon Jr, J. Wilson, and Ryan J. Smith. "Teaching undergraduate econometrics with GRETL." Journal of Applied Econometrics 21, no. 7 (2006): 1103–7. http://dx.doi.org/10.1002/jae.927.

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3

Adkins, Lee C. "Using gretl for Monte Carlo experiments." Journal of Applied Econometrics 26, no. 5 (2010): 880–85. http://dx.doi.org/10.1002/jae.1228.

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4

Yalta, A. Talha, and A. Yasemin Yalta. "GRETL 1.6.0 and its numerical accuracy." Journal of Applied Econometrics 22, no. 4 (2007): 849–54. http://dx.doi.org/10.1002/jae.946.

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5

Babeshko, L. O. "FEATURES OF CONSTRUCTION AND DIAGNOSIS OF VAR-MODELS IN GRETL." Фундаментальные исследования (Fundamental research), no. 3 2022 (2022): 29–35. http://dx.doi.org/10.17513/fr.43210.

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6

Tarassow, Artur. "Practical Empirical Research Using gretl and hansl." Australian Economic Review 52, no. 2 (2019): 255–71. http://dx.doi.org/10.1111/1467-8462.12324.

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7

Lampis, Federico, Ignacio Díaz-Emparanza, and Anindya Banerjee. "How to use SETAR models in gretl." Computational Economics 46, no. 2 (2014): 231–41. http://dx.doi.org/10.1007/s10614-014-9445-8.

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8

Baiocchi, Giovanni, and Walter Distaso. "GRETL: Econometric software for the GNU generation." Journal of Applied Econometrics 18, no. 1 (2003): 105–10. http://dx.doi.org/10.1002/jae.704.

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9

Detsch, Richard. "The Dead Child." Austriaca 25, no. 1 (1987): 99–113. http://dx.doi.org/10.3406/austr.1987.4185.

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Un spécialiste de Trakl a récemment émis l’hypothèse que la sœur du poète a eu un enfant de son frère, et que c’est la cause de la fausse-couche de Gretl en mars 1914. Il étaie son' hypothèse sur des passages de poèmes de 1914, notamment Abendland , qui évoquent la sœur dans un contexte négatif, ou bien un mort-né. Le présent essai est d’accord avec l’idée d’un enfant né des rapports incestueux de Trakl avec sa sœur, mais met en doute la date en se fondant sur de nombreuses allusions à un mort-né dans des poèmes d’avant 1914, et surtout sur une lettre de Gretl remontant à son époque viennoise

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Lemenkova, Polina. "Regression Models by Gretl and R Statistical Packages for Data Analysis in Marine Geology." International Journal of Environmental Trends 3, no. 1 (2019): 39–59. https://doi.org/10.5281/zenodo.3253803.

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Gretl and R statistical libraries enables to perform data analysis using various algorithms, modules and functions. In this study, the geospatial analysis of example case study of Mariana Trench, a deep-sea hadal trench located in west Pacific Ocean, was performed using multi-functional combined approach of both Gretl and R libraries. The study aim was to model and visualize trends in variations of the trench’s properties: bathymetry (depths), geomorphology (steepness gradient), geology, volcanism (igneous rocks). The workflow included following statistical methods computed and visualize

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11

Horn, Tassilo. "Solving the TTC 2011 Reengineering Case with GReTL." Electronic Proceedings in Theoretical Computer Science 74 (November 16, 2011): 131–35. http://dx.doi.org/10.4204/eptcs.74.12.

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12

Ebert, Jürgen, and Tassilo Horn. "GReTL: an extensible, operational, graph-based transformation language." Software & Systems Modeling 13, no. 1 (2012): 301–21. http://dx.doi.org/10.1007/s10270-012-0250-3.

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13

Mixon, James. "GRETL: an econometrics package for teaching and research." Managerial Finance 36, no. 1 (2009): 71–81. http://dx.doi.org/10.1108/03074351011006856.

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14

Lahnstein, Peter, Kurt Hoffmann, and Gretl Hoffmann. "Rezension von: Hoffmann, Kurt; Hoffmann, Gretl, Architekturführer Stuttgart und Umgebung." Schwäbische Heimat 35, no. 1 (2025): 69. https://doi.org/10.53458/sh.v35i1.15546.

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Kurt und Gretl Hoffmann: Architekturführer Stuttgart und Umgebung. Ein Führer zu 400 historischen und modernen Bauten. Dritte, neu bearbeitete Auflage. Julius Hoffmann Verlag Stuttgart 1983. 160 Seiten mit 295 Fotos, 88 Grundrissen und Schnitten sowie zwei Orientierungskarten. Kartoniert DM 25,-

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РЕЗНИК, В. Р., В. В. СЁМКА, А. Н. КАЛИНИЧЕНКО, А. П. ГОРБАТКО, and Н. Н. ЯРОМЕНКО. "THE INFLUENCE OF ECONOMIC AND SOCIAL FACTORS ON THE LEVEL OF REGIONAL UNEMPLOYMENT." Экономика и предпринимательство, no. 8(169) (August 30, 2024): 505–9. http://dx.doi.org/10.34925/eip.2024.169.8.098.

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В статье рассмотрены показатели макроэкономического развития страны. На примере ключевого макроэкономического показателя - уровень региональной безработицы, произведена оценка влияния экономических и социальных факторов. Анализ осуществлялся путем составления регрессионной модели по статистическим данным случайной выборки из 20 субъектов Российской Федерации. По итогам исследования, в качестве существенного фактора признан валовый региональный продукт. Анализ и эконометрическое исследование осущствлено с использование программного продукта Gretl. The article examines the indicators of the coun

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Weinert, Adam, and Rafał Czupryn. "The influence of capital markets on Austria's economic growth." Central European Review of Economics & Finance 45, no. 4 (2023): 137–45. https://doi.org/10.24136/ceref.2023.028.

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This research undertook a comprehensive assessment of how capital market have affected Austria's economic development, scrutinizing data spanning from 1975 to 2020. In pursuit of this objective, the study meticulously constructed an econometric model utilizing the GRETL software, a tool known for its robust analytical capabilities in economic modeling. This model was specifically designed to probe the extent to which the capital market have been a driving force behind Austria's economic progress. Once the model was in place, it was applied to the aforementioned dataset using the GRETL program,

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17

Horn, Tassilo. "Solving the TTC 2011 Compiler Optimization Case with GReTL." Electronic Proceedings in Theoretical Computer Science 74 (November 16, 2011): 116–25. http://dx.doi.org/10.4204/eptcs.74.10.

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18

Miranda, Rodrigo Otávio Veiga de, and Afonso Figueiredo. "Ajuste do modelo de Clutter utilizando o programa Gretl." Revista de Ciências Agrarias - Amazon Journal of Agricultural and Environmental Sciences 59, no. 4 (2016): 417–21. http://dx.doi.org/10.4322/rca.2605.

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19

Akbulaev, Nurkhodzha, Basti Aliyeva, and Shehla Rzayeva. "A nyersolaj- és földgázárak hatása a török tőzsde árindexeire és részvényárfolyamaira." Pénzügyi Szemle = Public Finance Quarterly 66, no. 1 (2021): 149–64. http://dx.doi.org/10.35551/psz_2021_1_8.

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A jelen tanulmány ismerteti, hogy a világ értéktőzsdéin miként alakulnak az árfolyamok, és azok hogyan függnek az olaj- és földgáz bekerülési árától. Bemutatja azokat a fontosabb tanulmányokat és elért eredményeket, amelyek az árak részvényindexre és ipari részvényekre gyakorolt hatását, valamint az olajárszinttől való függését vizsgálják. Jelen dolgozat egy ökonometriai tanulmányt mutat be az értékpapírpiacokon elérhető kínálatról, amely lehetővé teszi, hogy meghatározzuk a részvényindex és az ipari részvények napi árfolyamváltozásainak főbb sajátosságait a 2012. május 13-tól a 2019. december

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20

Błażejowski, Marcin, Paweł Kufel, and Tadeusz Kufel. "Automatyczna procedura budowy specyfikacji zgodnego dynamicznego modelu ekonometrycznego w oprogramowaniu Gretl." Acta Universitatis Nicolai Copernici Ekonomia 39 (September 1, 2009): 83. http://dx.doi.org/10.12775/aunc_econ.2009.028.

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21

КАЦКО, И. А., Н. Н. ЯРОМЕНКО, and Д. А. ЗАДОРОЖНЫЙ. "ALGORITHM FOR CONSTRUCTING DIAGNOSTICS OF VECTOR AUTOREGRESSION MODELS OR VAR MODELS IN THE GRETL SOFTWARE PACKAGE." Экономика и предпринимательство, no. 5(154) (July 1, 2023): 1185–91. http://dx.doi.org/10.34925/eip.2023.154.5.237.

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Статья посвящена вопросам реализации моделей векторной авторегрессии (VAR) в кросс-платформенном программном пакете Gretl. Модели векторной авторегрессии являются современным инструментом анализа динамики нескольких связанных друг с другом временных рядов. VAR-модели конструктивно отличаются от систем одновременных уравнений, использующих априорные ограничения на структурные параметры уравнений системы для решения проблем эндогенности регрессоров. В качестве предварительной обработки данных при построении авторегрессионных моделей необходимо проверить временные ряды, включенные в вектор эндоге

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Nasybullin, Ayrat Marsovich. "ASSESSMENT OF THE IMPACT OF FACTORS ON THE ALLOCATION OF POINTS FOR CONTAINER TRAINS OPERATING ACCORDING TO TECHNOLOGY OF FIXED FORMATIONS." World of transport and technological machines 86, no. 3-1 (2024): 23–34. http://dx.doi.org/10.33979/2073-7432-2024-3-1(86)-23-34.

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The article describes the assessment of the operability of the main provisions of the previously developed methodology for assigning stopping points for container trains, which are plying according to the technology of fixed formation. To assess the impact of individual factors, re-gression modeling was performed using the least squares method with the econometric software product Gretl. The results allowed us to confirm the hypothesis about the rationality of assigning stops to container trains operating according to the technology of fixed formation.

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23

Akbulaev, Nurkhodzha, Basti Aliyeva, and Shehla Rzayeva. "Analysis of the Influence of the Price of Raw Oil and Natural Gas on the Prices of Indices and Shares of the Turkish Stock Exchange." Pénzügyi Szemle = Public Finance Quarterly 66, no. 1 (2021): 151–66. http://dx.doi.org/10.35551/pfq_2021_1_8.

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This article is a review on the impact of prices and their dependence on the cost of oil and natural gas on the world stock markets. The main studies and results achieved in the field of the impact of prices on both the stock index and industrial stocks and the dependence on the level of oil prices are presented. The paper presents an econometric study on the choice of offers on the securities market that allows us to identify the main specifics of changes in prices for the stock index and industrial shares in the daily period from 13. 05. 2012 to 01. 12. 2019. The article uses methods for est

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БАКУРОВА, Анна, та Олеся ЮСЬКІВ. "АНАЛІЗ ЗАЛЕЖНОСТІ ЕНЕРГОСПОЖИВАННЯ МЕТАЛУРГІЙНОГО ПІДПРИЄМСТВА ВІД МЕТЕОФАКТОРІВ". Information Technology: Computer Science, Software Engineering and Cyber Security, № 1 (12 червня 2024): 12–20. http://dx.doi.org/10.32782/it/2024-1-2.

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Актуальною проблемою сучасного металургійного підприємства є підвищення його енергоефективності, яка пов’язана, в першу чергу з енергозбереженням. Мета даного дослідження – оцінити вплив температури навколишнього середовища та хмарності на енергоспоживання ПрАТ «Дніпроспецсталь». В якості вхідних даних представлена інформація за зимовий та літній періоди 2018–2021 рр. Вплив температури на енергоспоживання залежить не тільки від стану опалювальної системи, але й величини самої температури. Збільшення навантаження на енергосистему в серпні та грудні є наслідком температурних коливань. Облік суку

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Błażejowski, Marcin, Jacek Kwiatkowski, and Paweł Kufel. "BACE and BMA Variable Selection and Forecasting for UK Money Demand and Inflation with Gretl." Econometrics 8, no. 2 (2020): 21. http://dx.doi.org/10.3390/econometrics8020021.

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In this paper, we apply Bayesian averaging of classical estimates (BACE) and Bayesian model averaging (BMA) as an automatic modeling procedures for two well-known macroeconometric models: UK demand for narrow money and long-term inflation. Empirical results verify the correctness of BACE and BMA selection and exhibit similar or better forecasting performance compared with a non-pooling approach. As a benchmark, we use Autometrics—an algorithm for automatic model selection. Our study is implemented in the easy-to-use gretl packages, which support parallel processing, automates numerical calcula

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Aliev, Ayaz, Madina Magomadova, Anna Budkina, Mustafa Harputlu, and Alagez Yusifova. "EU: The Effect of Energy Factors on Economic Growth." Energies 16, no. 6 (2023): 2908. http://dx.doi.org/10.3390/en16062908.

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In this article, we investigate the effect of different energy variables on economic growth of several oil-importing EU member states. Three periods from 2000 to 2020 were investigated. Three different types of regression models were constructed via the gretl software. Namely, the OLS, FE, and SE approaches to panel data analysis were investigated. The FE approach was chosen as the final one. The results suggest the importance of the consumption of both oil and renewable energy on economic growth. Crises of certain periods also had a noteworthy effect as well.

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Wójtowicz, Łukasz, and Rafał Czupryn. "The impact of the capital market on economic growth in Luxembourg." Central European Review of Economics & Finance 44, no. 3 (2023): 175–85. http://dx.doi.org/10.24136/ceref.2023.019.

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In this article, a detailed analysis of the impact of capital markets on economic growth in Luxembourg is presented, utilizing annual economic data. The study spanned from 1975 to 2020. As part of the analysis, an econometric model was constructed and estimated using the GRETL software. The results obtained confirm that the capital market has a statistically significant impact on Luxembourg's economic development. This research provides new insights into the role of capital markets in shaping economic growth dynamics, which is crucial for understanding the economic mechanisms in small, open ec

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ЧИСТИК О.Ф., ЧИСТИК О. Ф. "ANALYSIS OF MORTALITY PROCESSES OF WORKING AGE IN RUSSIA." Экономика и предпринимательство, no. 3(164) (June 20, 2024): 492–95. http://dx.doi.org/10.34925/eip.2024.164.3.092.

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Статья посвящена статистическому анализу смертности в трудоспособном возрасте. Установлена тенденция смертности населения в этом возрасте; дана её прогнозная оценка на основе модели временного ряда с линейным трендом при использовании возможностей программы Gretl; на основе содержательного анализа выявлены факторы, наиболее влияющие на уровень смертности в рассматриваемой возрастной группе населения; осуществлена кластеризацию регионов по уровню условий, определяющих смертность в трудоспособном возрасте; выделены методом кластерного анализа 5 групп субъектов РФ; охарактеризованы типы регионов

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Mukhametzhanova, Zhadyra, Baglan Aliyeva, Zhanar Mukhametzhanova, Gulbarshyn Satbaeva, and Madina Karimova. "Assessing the impact of innovations in the food industry on labour productivity." International Journal on Food System Dynamics 15, no. 3 (2024): 291–304. https://doi.org/10.18461/ijfsd.v15i3.k7.

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The research aims to assess the degree of dependence between innovation and productivity of medium-sized enterprises to further improve Kazakhstan’s innovation policy and identify ways to implement it. In the process, methods of analysis were used with the help of an open-source statistical program “gretl”, and data comparison from the position of positive innovation effect concerning the segment of medium-sized enterprises. The results demonstrate that innovation (production and process) is positively influenced by the internal costs of research and development, as well as the availability of

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Horn, Tassilo. "Saying Hello World with GReTL – A Solution to the TTC 2011 Instructive Case." Electronic Proceedings in Theoretical Computer Science 74 (November 16, 2011): 295–301. http://dx.doi.org/10.4204/eptcs.74.24.

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Zubalova, Lubica, Kristina Drienikova, and Ludmila Smakova. "INTERDEPENDENCY BETWEEN ECONOMIC PERFORMANCE AND HIV PREVALENCE IN COUNTRIES OF SUB-SAHARAN AFRICA." Ekonomicko-manazerske spektrum 14, no. 2 (2020): 52–62. http://dx.doi.org/10.26552/ems.2020.2.52-62.

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The HIV/AIDS threat, as a development obstacle in the underdeveloped world, has persisted for years. Globally, 37.9 million people are HIV positive and the majority, or 70% of them, live in Sub-Saharan Africa, a region with insufficient resources to fight the infection. HIV infection, if it progresses to AIDS, reduces labor force, decreases productivity, increases costs of health services and thus has a negative impact on a country’s economic performance. The research presented in the paper analyzed HIV prevalence and GDP per capita of all SubSaharan countries, disproving the initial hypothesi

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Marques, Rodnei Alves. "Ajuste temporal do salário mínimo real com modelos SARIMA." ForScience 10, no. 2 (2023): e01167. http://dx.doi.org/10.29069/forscience.2022v10n2.e1167.

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As discussões sobre o salário mínimo se iniciaram na década de 1930 visando diminuir desigualdades sociais e melhorar a relação entre trabalhadores, empregadores e estado. No ano 2000, o governo federal aprovou uma lei que permite aos estados fixarem pisos salariais acima do mínimo federal. A presente proposta procura ajustar um modelo SARIMA a série dos salários mínimos estaduais com objetivo de fazer previsões futuras. As séries foram ajustadas com a metodologia de Box & Jenkins com utilização dos softwares R e GRETL. Foi observada uma tendência crescente histórica ao longo dos anos para

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عبد الكريم, خالد طه. "تحليل دالة الإنتاج لشركة المنصور العامة للصناعات الهندسية في العراق للفترة (1989-2001)". Journal of Economics and Administrative Sciences 18, № 67 (2012): 305. http://dx.doi.org/10.33095/jeas.v18i67.1052.

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تمثل دالة الإنتاج احد الأساليب المستخدمة في تقييم العملية الإنتاجية لأي مؤسسة أو شركة وبيان مدى مساهمة كل عنصر من المتغيرات المستقلة وتأثيره على المتغير المعتمد, وبالتالي معرفة العناصر التي لها تأثير معنوي أو غير معنوي في المتغير التابع . ومن هنا تبرز أهمية البحث في تقدير دالة إنتاج كوب دوكلاص (Cobb- Douglas) لشركة المنصور العامة للصناعات الهندسية في العراق للفترة (1989-2001) وذلك لبيان مدى مساهمة كل من المتغيرات المستقلة والمتمثلة بـ (عدد المشتغلين , الأجور والرواتب المدفوعة , قيمة مستلزمات الإنتاج , الاستثمار) على المتغير المعتمد (قيمة الإنتاج ,القيمة المضافة الإجمالية ) وذلك باستخدام طريقة

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Santana, IF, and CEC Freitas. "A time series analysis of Prochilodus nigricans landings caught by small-scale fisheries in the lower stretch of the Amazon River." Brazilian Journal of Biology 73, no. 1 (2013): 53–59. http://dx.doi.org/10.1590/s1519-69842013000100007.

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We developed a time series analysis using data on curimatã (Prochilodus nigricans), which landed in Santarém, a small city located on the right banks of the Amazon River. A 10-year record of monthly average catches per day of P. nigricans was analyzed using forecasting procedures in the open-source software GRETL 1.7.8. We established two models from the identifications made with the correlograms of hyperparametrization and seasonal differences. The autoregressive terms of the model reach three years, indicating that individuals of the species are being caught around the age of three. This may

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Piedrahita Ramírez, Jessica María, and Laura Tatiana Nieto Quintero. "DETERMINANTES DE LA INVERSIÓN EXTRANJERA DIRECTA PARA COLOMBIA EN EL PERIODO COMPRENDIDO ENTRE 2000-2018." Revista de Investigaciones Universidad del Quindío 31, no. 1 (2019): 73–83. http://dx.doi.org/10.33975/riuq.vol31n1.265.

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Dada la importancia que viene adquiriendo la inversión extranjera directa en los países, esta investigación se planteo como objetivo encontrar los factores determinantes de la Inversión Extranjera Directa que ingresa a Colombia en el periodo comprendido entre el 2000-2018, a través del análisis econométrico de series temporales en el software de libre distribución Gretl, cuyos resultados arrojaron que a pesar de que la tasa de desempleo y la tasa de interés son los factores que más influyen en la atracción de este tipo de inversión al país, son las dinámicas internacionales las que contribuyen

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Freixo Filho, Marcos Antonio Lopes, and Igor Gimenes Cesca. "Impacto da TIR no CAPEX de investimentos em distribuidoras de energia elétrica." Revista de Gestão e Secretariado (Management and Administrative Professional Review) 14, no. 8 (2023): 14692–713. http://dx.doi.org/10.7769/gesec.v14i8.2709.

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Este trabalho de pesquisa vem estudar o quanto podem estar correlacionados os principais indicadores econômicos e financeiros de duas concessionárias de energia elétrica, já estabilizadas neste mercado (o grupo econômico ao qual pertencem as distribuidoras desta pesquisa costuma adquirir empresas que precisam de recuperação), e a aderência da taxa interna de retorno do investimento [TIR] dos projetos de investimento regulatório em CAPEX, através da aplicação de modelos estatísticos de regressão, utilizando a ferramenta Gretl. No setor elétrico brasileiro, o investimento regulatório em CAPEX vi

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Marques, Rodnei Alves, and Spencer Barbosa da Silva. "Análise temporal das taxas de suicídios no estado de Minas Gerais com modelos ARIMA." ForScience 8, no. 2 (2020): e00842. http://dx.doi.org/10.29069/forscience.2020v8n2.e842.

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O autoextermínio tem aumentado em Minas Gerais em todas as faixas etárias. Tal fato, além de resultar em perda de vidas humanas, demanda recursos públicos que poderiam ser aplicados em outras áreas da saúde. Isto posto, esse trabalho tem como objetivo modelar e fazer previsões para as taxas específicas de suicídio por sexo no estado de Minas Gerais. Estas análises, juntamente com estudos clínicos, podem compor mais uma alternativa para os órgãos de saúde, auxiliando-os no preparo de ações que possam diminuir de forma efetiva o número de suicídios. As séries foram ajustadas com a metodologia de

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Malaquias, Roberto Lucas Rodrigues, Walberti Saith, and Manuel Antonio Valdés Borrero. "Levantamento da variação do preço da gasolina durante os anos de 2002 a 2018 em Porto Velho – Rondônia / Survey of gasoline price variation during the years from 2002 to 2018 in Porto Velho – Rondônia." Brazilian Journal of Business 4, no. 1 (2022): 548–56. http://dx.doi.org/10.34140/bjbv4n1-033.

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O artigo trata de uma descrição sobre a variação do preço da gasolina no período de 2002 até 2018 em Porto Velho – Rondônia. Seu objetivo principal foi o de comparar a relação da variação do preço dos combustíveis, as taxas de inflação e juros, para o mesmo período com base nos levantamentos de informações disponíveis nos sites da Agência Nacional de Petróleo - ANP, ADVFN e Portal Brasil. Trata-se de uma análise de caráter descritivo e explicativo, a partir dos dados: taxa de inflação e taxa de juros do período supracitado. Esses dados serviram de base para compreender o comportamento do preço

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Niu, Gao, Richard S. Segall, Zichen Zhao, and Zhijian Wu. "A Survey of Open Source Statistical Software (OSSS) and Their Data Processing Functionalities." International Journal of Open Source Software and Processes 12, no. 1 (2021): 1–20. http://dx.doi.org/10.4018/ijossp.2021010101.

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This paper discusses the definitions of open source software, free software and freeware, and the concept of big data. The authors then introduce R and Python as the two most popular open source statistical software (OSSS). Additional OSSS, such as JASP, PSPP, GRETL, SOFA Statistics, Octave, KNIME, and Scilab, are also introduced in this paper with function descriptions and modeling examples. They further discuss OSSS's capability in artificial intelligence application and modeling and Popular OSSS-based machine learning libraries and systems. The paper intends to provide a reference for reade

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Sulasmiyati, Sri. "ANALYZING INFLATION INFLUENCE TOWARD THE NUMBER OF FOREIGN TOURISTS VISITING INDONESIA AND THEIR IMPACT ON INDONESIA’S ECONOMIC GROWTH." MEDIA BINA ILMIAH 14, no. 3 (2019): 2181. http://dx.doi.org/10.33758/mbi.v14i3.321.

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The tourism sector is one of the potential contributors to GDP in Indonesia. So the number of foreign tourists visiting Indonesia is considered to have a major influence on Indonesia's economic growth. The acceleration of the tourism sector has made the tourism sector attractive to study. .In addition, inflation is also considered to have an influence on the number of foreign tourists and economic growth. This research was conducted to determine whether or not there was an effect of inflation on the number of foreign tourists visiting Indonesia and Indonesia’s economic growth in 2010-2018. The

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Załuska, Monika, and Katarzyna Gładyszewska-Fiedoruk. "Regression Model of PM2.5 Concentration in a Single-Family House." Sustainability 12, no. 15 (2020): 5952. http://dx.doi.org/10.3390/su12155952.

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The purpose of this study is to model air pollution with the PM2.5 suspended particulate in a single-family house located in Bialystok. A linear regression model was developed that describes the relationship between the concentration of PM2.5 (response variable) in a building and external factors: concentrations of PM10 and PM2.5 particulates, air temperature and relative humidity (independent variables). Statistical and substantive verification of the model indicates that the concentration of PM10 in outdoor air is the variable most strongly affecting the concentration of harmful PM2.5 in ind

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Tadesse, Kassahun Birhanu, and Megersa Olumana Dinka. "Application of SARIMA model to forecasting monthly flows in Waterval River, South Africa." Journal of Water and Land Development 35, no. 1 (2017): 229–36. http://dx.doi.org/10.1515/jwld-2017-0088.

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AbstractKnowledge of future river flow information is fundamental for development and management of a river system. In this study, Waterval River flow was forecasted by SARIMA model using GRETL statistical software. Mean monthly flows from 1960 to 2016 were used for modelling and forecasting. Different unit root and Mann–Kendall trend analysis proved the stationarity of the observed flow time series. Based on seasonally differenced correlogram characteristics, different SARIMA models were evaluated; their parameters were optimized, and diagnostic check up of forecasts was made using white nois

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Maxwell, Obubu, Ikediuwa Udoka Chinedu, Anabike Charles Ifeanyi, and Nwokike Chukwudike C. "On Modeling Murder Crimes in Nigeria." Scientific Review, no. 58 (August 1, 2018): 157–62. http://dx.doi.org/10.32861/sr.58.157.162.

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This paper examines the modelling and forecasting Murder crimes using Auto-Regressive Integrated Moving Average models (ARIMA). Twenty-nine years data obtained from Nigeria Information Resource Center were used to make predictions. Among the most effective approaches for analyzing time series data is the method propounded by Box and Jenkins, the Autoregressive Integrated Moving Average (ARIMA). The augmented Dickey-Fuller test for unit root was applied to the data set to investigate for Stationarity, the data set was found to be non-stationary hence transformed using first-order differencing t

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ABIJAUDE, JESSICA ALMEIDA, ALINE PATRICIA MANO, WESLEY VIEIRA SILVA, and DIEGO DE CASTRO FETTERMANN. "ANÁLISE DOS INDICADORES DE DESEMPENHO DE UM CENTRO DE DISTRIBUIÇÃO DE BEBIDAS." Engevista 18, no. 1 (2016): 125. http://dx.doi.org/10.22409/engevista.v18i1.705.

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As empresas têm utilizado cada vez mais os indicadores de desempenho como meio de monitorar seus resultados. Conhecer o comportamento dos processos é importante para busca dos resultados operacionais almejados. Sendo assim, este trabalho apresenta um estudo sobre o comportamento de três indicadores de desempenho operacionais utilizados em um Centro de Distribuição Direta e sua contribuição para o desempenho operacional. Os indicadores selecionados foram: percentual de vendas efetuadas aos clientes da base, percentual de devolução e percentual de fora de rota. Partindo da hipótese de que esses

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Якупова, Наиля Маликовна, та Екатерина Ивановна Кадочникова. "ИСПОЛЬЗОВАНИЕ РЕГРЕССИИ НА ГЛАВНЫЕ КОМПОНЕНТЫ В МОДЕЛИРОВАНИИ РЕНТАБЕЛЬНОСТИ АКТИВОВ ПРЕДПРИЯТИЯ". Современная экономика: проблемы и решения 7 (20 серпня 2017): 8–19. http://dx.doi.org/10.17308/meps.2017.7/1721.

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Цель: подчеркнуть целесообразность и представить возможности оценки инвестиционной привлекательности предприятия на основе эконометрического моделирования чистой рентабельности активов. Обсуждение: при большом разнообразии подходов к выявлению и дифференциации факторов и показателей инвестиционной привлекательности предприятия авторами подчеркнута ключевая роль финансовых показателей в оценке инвестиционной привлекательности и предложена система коэффициентов финансового состояния предприятия – предикторов чистой рентабельности активов как ее основного индикатора. В условиях коллинеарности про

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Rosa, Felipe Calas, Thiago Oliveira Mandu, Marta Cristina Pelucio Grecco, Fabiana Lopes Da Silva, and Maria Thereza Pompa Antunes. "Relação entre o valor adicionado distribuído e a satisfação dos funcionários." Revista Eletrônica do Departamento de Ciências Contábeis & Departamento de Atuária e Métodos Quantitativos (REDECA) 6, no. 2 (2019): 1–20. http://dx.doi.org/10.23925/2446-9513.2019v6i2p1-20.

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As empresas têm buscado melhorar o ambiente organizacional visando promover um melhor clima organizacional e até mesmo o sentimento de felicidade no trabalho, diante disso, este estudo tem como objetivo investigar a relação entre o Valor Adicionado Distribuído aos Empregados (VADE), extraído da Demonstração do Valor Adicionado (DVA), e o Índice de Felicidade no trabalho (IFT), publicado pela Revista Você S/A. A amostra foi constituída a partir da população de empresas listadas pela Revista Você S/A, como as melhores empresas para se trabalhar, foram selecionadas aquelas que tem obrigatoriedade

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Sadjiarto, Arja, Kalef Karistianto, and Putri Meydelin Tjandra. "THE EFFECT OF TAX AVOIDANCE, ESG, AND POLITICAL CONNECTION ON FIRM VALUE 2021-2023." Kajian Akuntansi 25, no. 2 (2024): 275–87. https://doi.org/10.29313/kajian_akuntansi.v25i2.4939.

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This study aims to investigate whether tax avoidance, ESG, and political connections affect firm value under current conditions. The purpose of this research is to examine the effects of tax avoidance, ESG, and political connections on firm value. Data analysis was conducted using Gretl. The sample consists of publicly traded non-financial companies from 2021 to 2023. The study uses a purposive sampling technique, resulting in 159 observations. This quantitative research utilizes multiple linear regression. Data was obtained from the Refinitiv Database and Annual Reports. The results show that

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Müller-Frączek, Iwona, Joanna Muszyńska, and Michał Bernard Pietrzak. "Analysis of Convergence Process of Polish Household Food Expenditures." Acta Universitatis Lodziensis. Folia Oeconomica, no. 293 (January 1, 2013): 63–73. https://doi.org/10.18778/0208-6018.293.06.

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This paper presents an analysis of expenditure on food of households in Poland in the years 1999–2010. Since their level and dynamics can be used as a measure of well-being of society this process was used to examine internal social convergence of regions, in this case the voivodships. The aim of this paper was to validate the hypothesis about the process for β-convergence in the share of household expenditure on food in total expenditures. The research has allowed the identification of long-term tendency of the level of expenditure on food in Polish households. Based on the analysis of condit

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Kolawole, Oyebamiji A., and Semire Banjo. "In Vitro Biological Estimation of 1,2,3-Triazolo[4,5-d]pyrimidine Derivatives as Anti-breast Cancer Agent: DFT, QSAR and Docking Studies." Current Pharmaceutical Biotechnology 21, no. 1 (2020): 70–78. http://dx.doi.org/10.2174/1389201020666190904163003.

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Background & Objective: Series of synthesized molecular compounds were considered as anti-breast cancer. The molecular descriptors which describe the microbial activities of the studied compounds were calculated using theoretical approach. Methods: The calculated parameters obtained EHOMO (eV), ELUMO (eV), dipole moment (Debye), log P, molecular weight (amu), HBA, HBD, Vol and Ovality were screened. The obtained calculated descriptors were used to develop QSAR model for prediction of experimental inhibition concentration (IC50) using SPSS and Gretl software packages for multiple linear reg

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Rivera Vargas, José Sebastián, María Fernanda Vargas Ramos, Joffre Danny Preciado Ramírez, and Omar Damián Cavero Álvarez. "Las salvaguardias, la recaudación fiscal y las importaciones en Ecuador, año 2013 – 2015." Visionario Digital 2, no. 1 (2018): 38–49. http://dx.doi.org/10.33262/visionariodigital.v2i1.35.

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En el presente documento se analizó el impacto de las salvaguardias en la República del Ecuador con respecto a la Recaudación Fiscal y a las Importaciones tomando los datos de las variables mencionadas según los años 2013 al 2015. Para realizar el análisis se contextualizó varios conceptos relativos al tema central, posteriormente se realizaron tablas y gráficos para interpretar el comportamiento de las variables mencionadas y revisar el efecto de las Salvaguardias en el proceder de la recaudación del Estado y sus importaciones. Además, se realizó un modelo econométrico para observ

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