analysis of variance by ranks

analysis of variance by ranks
дисперсионный анализ рангов

English-Russian dictionary of computer science and programming. 2013.

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  • Analysis of variance — In statistics, analysis of variance (ANOVA) is a collection of statistical models, and their associated procedures, in which the observed variance in a particular variable is partitioned into components attributable to different sources of… …   Wikipedia

  • Kruskal-Wallis one-way analysis of variance — In statistics, the Kruskal Wallis one way analysis of variance by ranks (named after William Kruskal and W. Allen Wallis) is a non parametric method for testing equality of population medians among groups. Intuitively, it is identical to a one… …   Wikipedia

  • Friedman test — The Friedman test is a non parametric statistical test developed by the U.S. economist Milton Friedman. Similar to the parametric repeated measures ANOVA, it is used to detect differences in treatments across multiple test attempts. The procedure …   Wikipedia

  • Friedman-Test (Statistik) — Der Friedman Test ist ein statistischer Test zur Untersuchung von drei oder mehr gepaarten Stichproben auf Gleichheit des Lageparameters. Da er keine Normalverteilung der Daten in den Stichproben voraussetzt, zählt er zu den nicht parametrischen… …   Deutsch Wikipedia

  • Non-parametric statistics — In statistics, the term non parametric statistics has at least two different meanings: The first meaning of non parametric covers techniques that do not rely on data belonging to any particular distribution. These include, among others:… …   Wikipedia

  • Chi-squared distribution — This article is about the mathematics of the chi squared distribution. For its uses in statistics, see chi squared test. For the music group, see Chi2 (band). Probability density function Cumulative distribution function …   Wikipedia

  • Chi-square distribution — Probability distribution name =chi square type =density pdf cdf parameters =k > 0, degrees of freedom support =x in [0; +infty), pdf =frac{(1/2)^{k/2{Gamma(k/2)} x^{k/2 1} e^{ x/2}, cdf =frac{gamma(k/2,x/2)}{Gamma(k/2)}, mean =k, median… …   Wikipedia

  • Comparing means — The following tables provide guidance to the selection of the proper parametric or non parametric statistical tests for a given data set. Contents 1 Is there a difference ? 2 See also 3 Sources 4 …   Wikipedia

  • Wilson Allen Wallis — (born 1912 in Philadelphia, died October 12, 1998 in Rochester, New York) was an American economist and statistician. He attended the University of Minnesota, Class of 1932, where he was a member of the Chi Phi Fraternity.He served as the… …   Wikipedia

  • Mann–Whitney U — In statistics, the Mann–Whitney U test (also called the Mann–Whitney–Wilcoxon (MWW) or Wilcoxon rank sum test) is a non parametric statistical hypothesis test for assessing whether one of two samples of independent observations tends to have… …   Wikipedia

  • statistics — /steuh tis tiks/, n. 1. (used with a sing. v.) the science that deals with the collection, classification, analysis, and interpretation of numerical facts or data, and that, by use of mathematical theories of probability, imposes order and… …   Universalium


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