heteroscedasticity

(redirected from Heteroscadacity)

het·er·o·sced·as·tic·i·ty

(het'ĕr-ō-skĕd'as-tis'ĭ-tē),
Nonconstancy of the variance of a measure over the levels of the factor under study.
[hetero + G. skedastikos, pertaining to scattering, fr. skedannumi, to scatter]

heteroscedasticity

an irregular scattering of values in a series of distributions; accompanied by a comparable scatter of variances.
References in periodicals archive ?
Shoot abundance data were square-root transformed and plant biomass data were log transformed before analysis to eliminate heteroscadacity.
Tests for normality of the residuals and Levene's tests for heteroscadacity of variance were performed.