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pillow
2003 Jan 30
1
TukeyHSD and BIBD
Hi,
the function TukeyHSD gives incorrect results for balanced incomplete block
designs, as the example below shows, but I can only half fix it. There are
two problems,
1. It uses model.tables to estimate treatment means,
2. It uses the wrong standard error
The first problem can be fixed using dummy.coef, if the lines
> TukeyHSD.aov
function (x, which = seq(along = tabs), ordered = FALSE,