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207 results for “hypothesis”
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Research ArticleOpen accessIn the keywordsWhat Else do Epileptic Data RevealRamalingam ShanmugamProblem statement: Aggregating and analyzing data of all patients using statistical methodologies as often done in macro sense would be not useful when physician’s professional interest was only to provide the best medical care to the patient. For this purpose, individual data of the involved patient should be analyzed and modeled in a micro sense for the physician to notice … …Current Research in Medicine, Vol. 2, Issue 1 · 29 Mar 2011 · 7,302 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAn Application of Univariate Statistics to Hotelling's T2Dr. A. PolymenisProblem statement: Hotelling's T2 statistic has been well documented in the existing literature and exact as well as asymptotic results have been obtained. In the present article, we focus on an important particular case of T2 and we note that, there is no clear way to show, how univariate results, used in the theory of Student’s t statistic, could be … …Journal of Mathematics and Statistics, Vol. 7, Issue 1 · 25 Mar 2011 · 7,660 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTrading Volume and Stock Indices: A Test of Technical AnalysisPaul AbbondanteProblem statement: Technical analysis and its emphasis on trading volume has been used to analyze movements in individual stock prices and make investment recommendations to either buy or sell that stock. Little attention has been paid to investigating the relationship between trading volume and various stock indices. Approach: Since stock indices track overall stock market movements, trends in trading volume … …American Journal of Economics and Business Administration, Vol. 2, Issue 3 · 30 Sep 2010 · 8,224 accessesView PDFCite
Research ArticleOpen accessIn the keywordsAssessing Computer Knowledge in Senior High School: A Case Study of the Upper East Region in GhanaN.K. Oladejo, I.A. AdetundeProblem statement: This study contracted with assessing the knowledge of computer in Senior High Schools of the Upper East Region in Ghana. Approach: Data collected by means of administration of questionnaire brings out the level of computer knowledge expected from a student completing a Senior High School in the Upper East Region in Ghana. 140 sample students from 8 districts … …Journal of Mathematics and Statistics, Vol. 5, Issue 4 · 31 Dec 2009 · 7,831 accessesView PDFCite
Research ArticleOpen accessIn the keywordsRETRACTED: On Algebra and TachyonsM. Sivasubramanian, S. KalimuthuAt the request of the Editor-in-Chief, the Journal of Mathematics and Statistics has decided to retract the manuscript titled "On Algebra and Tachyons" authored by M. Sivasubramanian and S. Kalimuthu, published in Volume 5, Issue 2 with the page numbering 88-89. The authors have falsified findings and the article contains unsubstantiated claims and was accepted because of an administrative error. … …Journal of Mathematics and Statistics, Vol. 5, Issue 2 · 30 Jun 2009 · 7,239 accessesView PDFCite
Research ArticleOpen accessIn the abstractUser Factors Towards Purchasing Attitudes via E-Commerce in Tangerang CityVeronica, Julio Evan Desnito, Muhaimin Sasni AritaAdvances in information technology have made the use of the internet a primary need for society, especially in the context of economics, such as e-commerce. Interest in online shopping is increasing, thus driving the growth of e-commerce platforms in Indonesia. This encourages each e commerce platform to implement the best strategy to increase sales, either through improving appearance, adjusting prices, … …Journal of Computer Science, Vol. 21, Issue 8 · 8 Oct 2025 · 2,240 accessesView PDFCite
Research ArticleOpen accessIn the abstractRelease of Endogenous Chondroitin Sulfate and Heparin as Consequence of Dysregulated Proteolysis in COVID-19Marco RuggieroInfection by severe acute respiratory syndrome-related coronavirus 2 (SARS-CoV-2), the pathogen responsible for COVID-19, is associated with immune-mediated responses that lead to dysregulated activation of proteolytic enzymes; these contribute to damage to the endothelium, thrombosis, hypercoagulability and other hematologic complications that include thrombotic thrombocytopenia, a complication of severe COVID-19 as well as a potentially fatal adverse effect of COVID-19 vaccination. … …American Journal of Immunology, Vol. 17, Issue 1 · 29 Dec 2021 · 7,688 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparison of the Known Hypotheses of Lateral Buckling in the Elastic-Plastic States of Thin-Walled Semi-Slender ColumnsKrzysztof MurawskiStability of structures, as known, is a challenging issue, especially in critical engineering, i.e., in designing structures which in a wrong design process could cause a catastrophe. The avoidance of possible stability troubles is mandatory. In this study, the simplifications and hypotheses of loss of stability by lateral buckling in elastic-plastic states of semi-slender columns axially compressed by force are … …International Journal of Structural Glass and Advanced Materials Research, Vol. 4, Issue 1 · 21 Dec 2020 · 6,252 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Permutation Test for Comparing Two Correlated Receiver Operating Characteristic CurvesOkeh Uchechukwu Marius, Onyeagu SidneyThe area under the Receiver Operating Characteristic (ROC) curve (AUC) is a summary measure when comparing two ROC curves. However, this summary measure is less informative when two ROC curves cross and have the same AUCs. In order to detect differences between ROC curves and to be able to tackle the problem of exchangeability of the labels between two diagnostic … …Journal of Mathematics and Statistics, Vol. 16, Issue 1 · 24 May 2020 · 8,129 accessesView PDFCite
Research ArticleOpen accessIn the abstractOff-road Vehicle-Induced Substrate Vibrations Are Associated with Strong Declines in Ectomycorrhizal Mushroom Fruiting in Forest EcosystemsLev ShestakovWe conducted a multi-year (2020-2024) control-impact field study in a pine forest of the Moscow Region to assess whether off-road vehicle activity affects the fruiting of two ecologically important ectomycorrhizal fungi, Boletus edulis and Suillus luteus. Substrate vibrations associated with vehicle passage were recorded and characterized by dominant energy in the low-frequency range. Over the study period, abundance in disturbed … …OnLine Journal of Biological Sciences, Vol. 26, Issue 2 · 23 May 2026 · 1,305 accessesView PDFCite