noun Etymology: hom- + Greek skedastikos able to disperse, from skedannynai to disperse Date: 1905 the property of having equal statistical variances • homoscedastic adjective

New Collegiate Dictionary. 2001.

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  • Homoscedasticity — Plot with random data showing homoscedasticity. In statistics, a sequence or a vector of random variables is homoscedastic (   …   Wikipedia

  • homoscedasticity — noun A property of a set of random variables where each variable has the same finite variance. Ant: heteroscedasticity See Also: homoscedastic …   Wiktionary

  • homoscedasticity — Constancy of the variance of a measure over the levels of the factor under study. * * * ho·mo·sce·das·tic·i·ty (ho″mo skə das tisґĭ te) [homo + Gr. skedastikos tending to scatter] the property of having equal variances …   Medical dictionary

  • homoscedasticity — homo·sce·das·tic·i·ty …   English syllables

  • homoscedasticity — noun see homoscedastic …   Useful english dictionary

  • Linear regression — Example of simple linear regression, which has one independent variable In statistics, linear regression is an approach to modeling the relationship between a scalar variable y and one or more explanatory variables denoted X. The case of one… …   Wikipedia

  • Homogeneity (statistics) — For homogeneity of variance see homoscedasticity.In statistics, homogeneity arises in describing the properties of a dataset, or several datasets, and relates to the validity of the often convenient assumption that the statistical properties of… …   Wikipedia

  • Jarque-Bera test — In statistics, the Jarque Bera test is a goodness of fit measure of departure from normality, based on the sample kurtosis and skewness. The test statistic JB is defined as :mathit{JB} = frac{n}{6} left( S^2 + frac{(K 3)^2}{4} ight),where n is… …   Wikipedia

  • Jarque-Bera-Test — Der Test auf Normalverteilung, der von Carlos M. Jarque und Anil K. Bera vorgeschlagen wurde, ist ein statistischer Test, der anhand der Kurtosis und der Schiefe in Daten die Anpassung an die Normalverteilung misst. Die Teststatistik JB ist… …   Deutsch Wikipedia

  • Test de Jarque-Bera — Le test de Jarque Bera cherche à déterminer si des données suivent une loi normale. Sommaire 1 Présentation 2 Approche plus formelle 3 Références 4 …   Wikipédia en Français

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