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84 results for “multivariate analysis”
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Research ArticleOpen accessIn the abstractA Test on the Multivariate Behrens–Fisher Problem in High–Dimensional Data by Block Covariance EstimationParanut Sukcharoen, Samruam ChongcharoenIn this paper, we proposed a new testing statistic for testing the equality of mean vectors from two multivariate normal populations when the covariance matrices are unknown and unequal in high–dimensional data. A new test is proposed based on the idea of keeping more information from the sample covariance matrices as much as possible. A proposed test is invariant under … …Journal of Mathematics and Statistics, Vol. 15, Issue 1 · 2 Apr 2019 · 7,369 accessesView PDFCite
Research ArticleOpen accessIn the abstractStroke Associated with Infective Endocarditis. Frequency and Prognostic ImplicationsJuan José Mengual Chirife, Manuel Gómez-Choco, Ester MoralStroke can be one of the most severe complications of Infective Endocarditis (IE) and it happens in 14% of patients with IE. Therefore, we aimed to review stroke frequency in patients diagnosed with IE in our hospital from 2010 to 2020. We defined it as IE-Associated Stroke (IEAS) when the stroke happened one month before or after IE's diagnosis. Sixty-six … …American Journal of Infectious Diseases, Vol. 17, Issue 4 · 7 Sep 2021 · 6,860 accessesView PDFCite
Research ArticleOpen accessIn the abstractKnowledge, Training Status and Willingness to Implement Cardiopulmonary Resuscitation of Medical University Students in Chongqing, ChinaHuixian Zhou, Chuan Pu, Feng Chen et al.Timely bystander Cardiopulmonary Resuscitation (CPR) is key to improving survival from out-of-hospital cardiac arrest. Medical university students are potential bystander CPR providers. This study aimed to identify the current level of CPR knowledge, the present status of training and factors affecting the willingness to perform CPR among medical university students in Chongqing, China. Random sampling method was used and a … …Journal of Social Sciences, Vol. 17, Issue 1 · 5 Apr 2021 · 7,607 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiotic and Abiotic Factors of Sperm nDNA Fragmentation in Farm AnimalsBaylar Iolchiev, Natalya Volkova, Pavel Klenovitskiy et al.Infertility and subfertility are among the global challenges of our time. Fertility in livestock farming is not only biologically important, it is also economically important. The aim of this study was to study the effect of these factors on sperm chromatin nucleus and to assess the impact of the fragmentation index degree on bull reproductive performance. The influence of abiotic … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 1 · 11 Mar 2021 · 6,714 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effects of Power Usage on Five Power Modes in South Africa Using Multivariate TechniquesBusanga Jerome Kanyama, Solly Matshonisa SeeletseSouth Africa contends with the lack of access to secure affordable energy. This affects the country’s ability to provide reliable power to consumers. This paper investigates the source of energy ‘power mode’ such as electricity, gas, paraffin, solar and other (firewood and cow dung) and the effects of power usage in cooking, heating and lighting at household consumption level using … …American Journal of Applied Sciences, Vol. 15, Issue 1 · 10 Jan 2018 · 8,284 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of Urban Residential Land Use, Challenges and Control in Orita Obele Housing Estate, Akure, NigeriaMuyiwa L. Akinluyi, Oluwatoyin O. Adeleye, OLA Olumide S., Akinniyi Tunde AkinyemiThis study examined the various challenges involved in urban residential land use and control in Orita Obele housing estate, Akure Ondo-State Nigeria with a view to providing information that will inform decision making on land and building development in the study area. Questionnaire were administered on One Hundred and Sixty-eight (168) housing units selected using a systematic random sampling. Data … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 3 · 31 Jul 2020 · 6,772 accessesView PDFCite
Research ArticleOpen accessIn the abstractModern Metaheuristic with Multi-Objective Formulation for the Variable Selection ProblemLauro Cassio Martins de Paula, Anderson da Silva Soares, Telma Woerle Soares et al.The development of efficient algorithms for variable selection becomes important to deal with large and complex datasets. Most works in quantitative chemical analysis have used Genetic Algorithms (GAs) as a reference method to select variables. On the other hand, new advances in metaheuristic techniques provide novel possibilities in this task Moreover, the application of Multi-Objective Optimization (MOO) may significantly contribute … …Journal of Computer Science, Vol. 13, Issue 11 · 20 Nov 2017 · 7,661 accessesView PDFCite
Research ArticleOpen accessIn the abstractSocio-Demographic Determinants of Adult Tuberculosis: A Matched Case-Control Study in BangladeshSamira Dishti Irfan, Mohammad Omar Faruque, Mahabub Ul Islam et al.Tuberculosis (TB) is a multi-systemic infectious disease that has evoked a substantial disease burden in developing countries, including Bangladesh. The aim of this study is to determine the socio-demographic risk factors for adult tuberculosis. A matched case-control study was conducted with 178 cases and 179 controls from a selected TB hospital in Dhaka. Data was collected via face-to-face interview using … …American Journal of Infectious Diseases, Vol. 13, Issue 3 · 6 Nov 2017 · 10,452 accessesView PDFCite
Case ReportOpen accessIn the abstractEvaluation of Seasonal Autoregressive Integrated Moving Average Models for River Flow ForecastingKassahun Birhanu Tadesse, Megersa Olumana Dinka, Tena Alamirew, Semu Ayalew MogesReservoir operation policies cannot be functional in instant decision making without forecasting the future reservoir inflows. For forecasting inflows into reservoirs with only hydrological data is available like Koga irrigation dam, multivariate forecasting models cannot be used to generate accurate river flow information. As a result, an evaluation of univariate Seasonal Autoregressive Integrated Moving Average (SARIMA) models was done for … …American Journal of Environmental Sciences, Vol. 13, Issue 5 · 28 Sep 2017 · 7,885 accessesView PDFCite
Research ArticleOpen accessIn the abstractPrediction on Land Market Value Based on the Real Estate Market in USALei WangThe Land Market Value, defined as the total value of land price and quantity data are derived from data on housing values, is an important factor in the estimation of structure costs using price indexes for housing and construction costs. In this study, we gather and analyze 34 years' national data on past and present real estate transaction. According to … …Journal of Mathematics and Statistics, Vol. 13, Issue 2 · 23 May 2017 · 7,555 accessesView PDFCite