نتایج جستجو برای: mann test

تعداد نتایج: 820073  

Temperature is one of the most important climate variables that many economic and social plans related to its changes. Because of The importance of this issue, this study investigated the changes of it in the province Khuzestan. Meteorological data that used in this study is mean temperature in annual and seasonal timescale. The study area is Abadan, Ahwaz, Dezful and Omidiye stations. For anal...

Journal: :Academic radiology 2004
Nancy A Obuchowski Sergey V Beiden Kevin S Berbaum Stephen L Hillis Hemant Ishwaran Hae Hiang Song Robert F Wagner

RATIONALE AND OBJECTIVES Several statistical methods have been developed for analyzing multireader, multicase (MRMC) receiver operating characteristic (ROC) studies. The objective of this article is to increase awareness of these methods and determine if their results are concordant for published datasets. MATERIALS AND METHODS Data from three previously published studies were reanalyzed usin...

Journal: :Psych 2023

In psychological research, comparisons between two groups are frequently made to demonstrate that one group exhibits higher values. Although Welch’s unequal variances t-test has become the preferred parametric test for this purpose, surpassing Student’s equal t-test, Wilcoxon–Mann–Whitney remains predominant nonparametric approach despite sharing similar limitations with t-test. Specifically, i...

Journal: :natural environment change 0
faramarz khoshakhlagh assistant professor, faculty of geographical sciences, university of tehran, iran afrouz shakouri katigari statistical mathematics phd candidate, razi university, kermanshah, iran shabnam hadinejad saboori physical oceanography m.sc., gilan meteorological office, iran nima farid mojtahedi climatology phd candidate, gilan meteorological office, iran forough momen poor meteorology m.sc., gilan meteorological office, iran ebrahim asadi oskuee agricultural meteorology phd candidate, gilan meteorological office, iran

the interaction between sea and atmosphere has profound effects on the regions climate. meanwhile, the sea surface temperature is considered as one of the most effective components of water bodies, and the controller of many atmospheric behaviors. because of the importance of sea surface temperatures effects on atmospheric elements and also given the role of global warming on land and sea surfa...

Journal: :Computational Statistics & Data Analysis 2007
Majnu John Carey E. Priebe

Xie and Priebe [2002. “Generalizing the Mann–Whitney–Wilcoxon Statistic”. J. Nonparametric Statist. 12, 661–682] introduced the class of weighted generalized Mann–Whitney–Wilcoxon (WGMWW) statistics which contained as special cases the classical Mann–Whitney test statistic and many other nonparametric distribution-free test statistics commonly used for the two-sample testing problem. The two-sa...

Journal: :International Journal of Clinical Biostatistics and Biometrics 2017

Journal: :Advances in Science, Technology and Engineering Systems Journal 2016

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