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Joka
Calcite | Level 5

Hi,

Can using multiple comparison procedures that accommodate for correlation between linear combinations (such as MaxT, MinP, Tukey etc) be used to control the FWE for any set of non-orthogonal contrasts? That is to say, could I construct a contrast-matrix involving any set of non-orthogonal vectors with overlapping information and still be sure that FWE is controlled and that the interpretation is valid? (Given that the contrast had a valid interpretation to begin with...)

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SteveDenham
Jade | Level 19

I believe the MinP method would cover this (see page 285--288 in Westfall et al., Mutiple Comparisons and Multiple Tests Using SAS, 2nd ed.).

Steve Denham

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