Re: [R] Heteroskedasticity test

From: Richard M. Heiberger <>
Date: Fri 29 Sep 2006 - 18:07:48 GMT

The Brown-Forsyth test for homogeneity of variance is included in the HH package, downloadable from CRAN.

x <- c(rnorm(1000), rnorm(1000, 0, 1.2)) tmp <- data.frame(x=x, group=rep(c("s1","s1.2"), c(1000,1000))) plot.hov(x ~ group, data=tmp)
hov(x ~ group, data=tmp) mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Sat Sep 30 04:11:19 2006

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