topic Multiple comparison tests that account for correlation between linear combinations in Statistical Procedures https://communities.sas.com/t5/Statistical-Procedures/Multiple-comparison-tests-that-account-for-correlation-between/m-p/159812#M8309 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>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...)</P></BODY></HTML> Thu, 15 May 2014 14:17:25 GMT Joka 2014-05-15T14:17:25Z Multiple comparison tests that account for correlation between linear combinations https://communities.sas.com/t5/Statistical-Procedures/Multiple-comparison-tests-that-account-for-correlation-between/m-p/159812#M8309 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>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...)</P></BODY></HTML> Thu, 15 May 2014 14:17:25 GMT https://communities.sas.com/t5/Statistical-Procedures/Multiple-comparison-tests-that-account-for-correlation-between/m-p/159812#M8309 Joka 2014-05-15T14:17:25Z Re: Multiple comparison tests that account for correlation between linear combinations https://communities.sas.com/t5/Statistical-Procedures/Multiple-comparison-tests-that-account-for-correlation-between/m-p/159813#M8310 <HTML><HEAD></HEAD><BODY><P>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.).</P><P></P><P>Steve Denham</P></BODY></HTML> Mon, 19 May 2014 18:01:22 GMT https://communities.sas.com/t5/Statistical-Procedures/Multiple-comparison-tests-that-account-for-correlation-between/m-p/159813#M8310 SteveDenham 2014-05-19T18:01:22Z