Proceedings of the International Conference on Applied Statistics最新文献_第2页

Looking ahead - from fossil fuel to a circular bioeconomy in Europe. Evolution and behaviour 展望未来——从化石燃料到欧洲的循环生物经济。进化与行为

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0022

Gheorghe Zaman, G. Grădinaru, Bogdan Florin Matei

{"title":"Looking ahead - from fossil fuel to a circular bioeconomy in Europe. Evolution and behaviour","authors":"Gheorghe Zaman, G. Grădinaru, Bogdan Florin Matei","doi":"10.2478/icas-2021-0022","DOIUrl":"https://doi.org/10.2478/icas-2021-0022","url":null,"abstract":"Abstract Giving due consideration to sustainability, the new concept of bioeconomy has faced strong support from international policymakers, changing the way the economy is currently working. And it does not involve only the replacement of fossil feedstock with bio-based fuels, but also acquiring value from waste and bringing to light the resource efficiency that can lead to a smooth transition from a linear to a circular economy. This paper aims to track the EU states movement in implementing the bioeconomy best practices by building clusters based on their progress in adapting their industries to the new requirements. To make this possible, we created two scenarios for recording the evolution of the energy industry in 27 countries: the first one that groups them according to the fossil-fuel sources, and the second one based on renewable resources. Our results revealed that the biomass tends to be used as a complementary source and not a substitute, in comparison to the traditional fuels. Same actors keep the leading positions in both scenarios, making us believe that they may face strong challenges in reaching the European Commission goals. Thus, the present study emphasizes the need to develop highly efficient policies for all EU members to keep the same path.","PeriodicalId":393626,"journal":{"name":"Proceedings of the International Conference on Applied Statistics","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123530696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Looking ahead - from fossil fuel to a circular bioeconomy in Europe. Evolution and behaviour 展望未来——从化石燃料到欧洲的循环生物经济。进化与行为

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0026

Gheorghe Zaman, G. Grădinaru, Bogdan Florin Matei

{"title":"Looking ahead - from fossil fuel to a circular bioeconomy in Europe. Evolution and behaviour","authors":"Gheorghe Zaman, G. Grădinaru, Bogdan Florin Matei","doi":"10.2478/icas-2021-0026","DOIUrl":"https://doi.org/10.2478/icas-2021-0026","url":null,"abstract":"Abstract Giving due consideration to sustainability, the new concept of bioeconomy has faced strong support from international policymakers, changing the way the economy is currently working. And it does not involve only the replacement of fossil feedstock with bio-based fuels, but also acquiring value from waste and bringing to light the resource efficiency that can lead to a smooth transition from a linear to a circular economy. This paper aims to track the EU states movement in implementing the bioeconomy best practices by building clusters based on their progress in adapting their industries to the new requirements. To make this possible, we created two scenarios for recording the evolution of the energy industry in 27 countries: the first one that groups them according to the fossil-fuel sources, and the second one based on renewable resources. Our results revealed that the biomass tends to be used as a complementary source and not a substitute, in comparison to the traditional fuels. Same actors keep the leading positions in both scenarios, making us believe that they may face strong challenges in reaching the European Commission goals. Thus, the present study emphasizes the need to develop highly efficient policies for all EU members to keep the same path.","PeriodicalId":393626,"journal":{"name":"Proceedings of the International Conference on Applied Statistics","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129665100","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Consumer recommendation dynamics in online retail business under logistic regression and naïve Bayes analyses 基于logistic回归和naïve贝叶斯分析的在线零售企业消费者推荐动态

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0011

I. Georgescu, J. Kinnunen

{"title":"Consumer recommendation dynamics in online retail business under logistic regression and naïve Bayes analyses","authors":"I. Georgescu, J. Kinnunen","doi":"10.2478/icas-2021-0011","DOIUrl":"https://doi.org/10.2478/icas-2021-0011","url":null,"abstract":"Abstract Competitive businesses need to study the behavior of their current and potential customer base. Relevant data on the behavior can be obtained from online, where the purchase decisions are increasingly made and often based on product reviews, ratings and recommendations available in social media networks. The original data consists of 23486 customer reviews with ten variables/features of the reviewing customers, the products under review and the feedback to their reviews from online retail clothing business, and about half of the dataset is analyzed after cleaning the data. To find out, which features are the most important factors leading to a recommendation, the naïve Bayes and logistic regression methods are applied. Earlier research has shown that the sentiment of textual reviews and the given numerical ratings are key factors for the decision to recommend or not recommend products. The focus of this paper is to identify and rank-order the most relevant (numerical) factors affecting the review process leading to a recommendation. After applying the logistic regression classifier, we have found that rating, positive feedback count and age are statistically significant factors, in that order. The results support online retailers and manufacturers, as well, in adjusting their product portfolios and marketing efforts optimally to obtain recommendations for their products, reach potential customers and expose them to the given recommendations leading to positive purchase decisions. Further, the results indicate some future research opportunities.","PeriodicalId":393626,"journal":{"name":"Proceedings of the International Conference on Applied Statistics","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130072759","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Digital innovation in education in Romania quantitative approach 罗马尼亚数字教育创新的定量方法

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0014

M. Mihai, E. Țițan, D. Manea, A. Nechifor, A. Cotenescu

{"title":"Digital innovation in education in Romania quantitative approach","authors":"M. Mihai, E. Țițan, D. Manea, A. Nechifor, A. Cotenescu","doi":"10.2478/icas-2021-0014","DOIUrl":"https://doi.org/10.2478/icas-2021-0014","url":null,"abstract":"Abstract Economic growth, productivity and national well-being over time have been promoted through various innovation strategies. Education aims to shape the human personality according to its particularities but also according to the social dynamics, the mobility of teachers through the dynamic integration of man in society. Education differs from one historical stage to another. With the advancement of technology, students have the opportunity to take online courses, regardless of where they are, age, physical limitations or personal schedule. Technology can open up new opportunities for learning and assessment. With the help of the regression analysis applied based on the indicators provided by the National Institute of Statistics: the number of students, computers, laboratories and workshops in each county in Romania (2010-2017) tested the influence of technology on the number of students enrolled in schools. The main conclusion of the study emphasizes that a higher number of children enrolled in school in a county is correlated with the degree of technology. Thus, the number of new devices will increase to ensure the possibility for both teachers and students to evolve. On the other hand, the fact that some areas of the country are less developed and lack funding, is also reflected in the number of children enrolled as well as in the number of computers available.","PeriodicalId":393626,"journal":{"name":"Proceedings of the International Conference on Applied Statistics","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130255570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Sustainability literacy in the Romanian Universities 罗马尼亚大学的可持续素养

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0024

Elena-Maria Prada, Simona-Andreea Apostu, E. Gogu

{"title":"Sustainability literacy in the Romanian Universities","authors":"Elena-Maria Prada, Simona-Andreea Apostu, E. Gogu","doi":"10.2478/icas-2021-0024","DOIUrl":"https://doi.org/10.2478/icas-2021-0024","url":null,"abstract":"Abstract Sustainable university refers to the active involvement of higher education institutions in elaborating policies to protect the natural environment. The sustainable university is the one that, besides the governmental involvement, contributes to the safety of the environment by adapting the curriculum to the ecological needs and through the progress of the scientific knowledge, as a result of the didactic and research activities. As a vector of society’s development, the primary role of the university consists of educating future decision-makers. From the point of view of sustainable education, the concept of sustainable literacy has been shaped. Sustainable literacy involves educating future generations for sustainable development, considering the social, environmental, and cultural aspects specific to each country. In our opinion, “Sustainability literacy” in the academic environment is the formation and transmission of knowledge, skills, values, and attitudes that will allow students/graduates to engage deeply in building a sustainable future and improve their decision-making towards sustainability. The purpose of this research paper is to identify the context of ensuring and promoting sustainability in Romanian tertiary education. For this purpose, data obtained from the Romanian Agency for Quality Assurance in Higher Education were used regarding the number of students (as an element of the university demand) who follow a study program related to sustainable development, as well as data on the number of study programs in sustainability (as an element of the university offer). The results show that the number of students decreases, mainly due to demographic reasons, and the low graduation rates following the baccalaureate examination. Nevertheless, the number of programs in the sphere of sustainable development was higher in 2018 than the previous year. This fact demonstrates the importance given and the serious concerns regarding sustainability literacy in Romanian universities.","PeriodicalId":393626,"journal":{"name":"Proceedings of the International Conference on Applied Statistics","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127935055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

The Evolution of Romania’s Internal Migration. Findings from the 1977, 1992, 2002 and 2011 Censuses 罗马尼亚国内移民的演变。1977年、1992年、2002年和2011年的人口普查结果

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0015

C. Mihăescu, Adrian Oţoiu, Erika Marin, I. Niculescu-Aron

{"title":"The Evolution of Romania’s Internal Migration. Findings from the 1977, 1992, 2002 and 2011 Censuses","authors":"C. Mihăescu, Adrian Oţoiu, Erika Marin, I. Niculescu-Aron","doi":"10.2478/icas-2021-0015","DOIUrl":"https://doi.org/10.2478/icas-2021-0015","url":null,"abstract":"Abstract Although internal migration has been rather overlooked, both in terms of its magnitude and importance, its ability to reflect socio-economic changes is providing useful insights on the evolution of the Romanian society over the last decades. Based on the analysis of census microdata over the past 4 censuses, some major shifts in the magnitude and patterns in internal migration reveal the fact that characteristics of internal migrants have not only mirrored, but also preceded the changes observed for the total population. Among the most important developments revealed by our analysis have been a slight decrease in migration incidence since 1992, an increase in migrants residing in rural areas, especially in the South region, and a higher incidence among women, perhaps as a counterweight for higher international migration rates among men. Internal migrants’ age profile shows that they are 11 years older than the total population, up from a gap of only 6 years in 1977. Although they tend to be relatively more educated, their advantage has been on a declining trend and, contrary to common perceptions, are less likely to be single. At the county level, data reveals diverging patterns triggered by post-communist development, among which deindustrialization of some countries and strong international migration. These findings help portray the socio-economic changes as revealed by the analysis of census data, and provide any additional feedback to the annual internal migration flow estimates, by assessing the stock of those who moved from their birthplace, and showing how net internal migration patterns have morphed over time, both reflecting and effecting demographic and socioeconomic evolutions of the Romanian society1.","PeriodicalId":393626,"journal":{"name":"Proceedings of the International Conference on Applied Statistics","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125608198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Testing the Feldstein Horioka puzzle in Algeria: Maki co-integratioan and hidden causality analysis 阿尔及利亚的Feldstein Horioka谜题检验:Maki协整与隐性因果分析

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0004

Ayad Hicham, M. Belmokaddem

引用次数: 1

Solutions for data management in the health sector 卫生部门数据管理解决方案

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0016

Crina-Dana Ionescu, E. Țițan, M. Mihai, D. Manea, A. Nechifor

{"title":"Solutions for data management in the health sector","authors":"Crina-Dana Ionescu, E. Țițan, M. Mihai, D. Manea, A. Nechifor","doi":"10.2478/icas-2021-0016","DOIUrl":"https://doi.org/10.2478/icas-2021-0016","url":null,"abstract":"\u0000 The lack of data for many indicators and the existence of significant gaps in the availability and comparability of data is a problem of global interest, felt by all authorities and agencies specialized in data collection, analysis and use. Their objective is to provide data and indicators of good quality, which will help to correctly inform the political decision-makers and to solve the inequalities in the field of health. Thus, this paper aims to provide clear and coherent solutions to a number of problems identified in data management in general, and in data in the medical sector in particular. Also, the added value of this paper consists in a case study, which presents an x-ray of the current situation of data quality through the existing metadata for each of the analyzed sources. The research methodology used in the paper includes both a thorough analysis of the literature that identifies the main data problems and provides related solutions, as well as a comparative analysis on the quality of health data, using metadata from three sources and distinct levels of aggregation: National (Romania), European and Global.","PeriodicalId":393626,"journal":{"name":"Proceedings of the International Conference on Applied Statistics","volume":"453 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120979253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Foreword of the Proceedings of the 14th International Conference on Applied Statistics 第十四届国际应用统计学会议论文集前言

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0030

V. Strat

引用次数: 0

Study on the effect of crises on economic correlations and macrostability 危机对经济相关性和宏观稳定性的影响研究

Proceedings of the International Conference on Applied Statistics Pub Date : 2020-12-01 DOI: 10.2478/icas-2021-0002

Constantin Anghelache, M. Anghel, Ș. Iacob, Dana Luiza Grigorescu

{"title":"Study on the effect of crises on economic correlations and macrostability","authors":"Constantin Anghelache, M. Anghel, Ș. Iacob, Dana Luiza Grigorescu","doi":"10.2478/icas-2021-0002","DOIUrl":"https://doi.org/10.2478/icas-2021-0002","url":null,"abstract":"Abstract Economic growth is a goal of every country and equally of the European Community. In this sense, all national strategies related and not subordinated to the European Union’s strategy aim at economic growth, which will ensure the improvement of the quality of life. Economic growth is always achieved by the level registered by the Gross Domestic Product (Gross Domestic Product per capita) these being the most important indicators of results calculated at macroeconomic level. The proper functioning of a country’s economy must be based, first of all, on certain correlations that are established between socio-economic variables, a context in which there must be certain proportions. The evolution of the economy in free market conditions reaches imbalances at certain times, a context in which macroeconomic stability is affected. Most often, crises, regardless of their health, economic, economic or financial nature, have the first effect of affecting macroeconomic stability. In the current conditions, when we face the health crisis, combined with the economic and financial crisis, the macroeconomic imbalance is obvious by not respecting some proportions and correlations, which must be established at the macroeconomic level. The analysis of this aspect of crises and their effect on economic correlations and macrostability is the subject of the study in this article.","PeriodicalId":393626,"journal":{"name":"Proceedings of the International Conference on Applied Statistics","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133954601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0