Nothing
SimTestDiffHom <-
function(trlist, grp, ntr, nep, ssmat, ContrastMat, ncomp, alternative,
Margin, meanmat, CorrMatDat) {
estimate <- ContrastMat%*%meanmat
defr <- matrix(sum(ssmat[,1])-ntr, nrow=ncomp, ncol=nep) # matrix of dfs
CovMatDat <- Reduce("+", # covariance matrix of the data
lapply(trlist, function(x) (nrow(x)-1)*cov(x))
)/defr[1,1]
if (is.null(CorrMatDat)) {
CorrMatDat <- cov2cor(CovMatDat) # correlation matrix of the data
} else {
sdmat <- sqrt( diag( diag(CovMatDat),nrow=nep ) ) # sds on the diagonal
CovMatDat <- sdmat%*%CorrMatDat%*%sdmat
}
M <- diag(1/ssmat[,1])
CorrMatCont <- diag( 1/sqrt(diag( ContrastMat %*% M %*% t(ContrastMat) )),nrow=ncomp ) %*%
(ContrastMat %*% M %*% t(ContrastMat)) %*%
diag( 1/sqrt(diag( ContrastMat %*% M %*% t(ContrastMat) )),nrow=ncomp )
R <- kronecker(CorrMatCont, CorrMatDat, make.dimnames=TRUE)
statistic <- matrix(nrow=ncomp, ncol=nep) # matrix of test stats
for (z in 1:ncomp) {
for (i in 1:nep) {
statistic[z,i] <- ( (t(ContrastMat[z,])%*%meanmat[,i]) - Margin[z,i] ) /
sqrt( diag(CovMatDat)[i]*( t(ContrastMat[z,])%*%M%*%ContrastMat[z,] ) )
}
}
p.val <- SimTestP(ncomp=ncomp,nep=nep,alternative=alternative,statistic=statistic,
defr.mul=defr,defr.uni=defr,R=R)
p.val.adj <- p.val$p.val.adj; p.val.raw <- p.val$p.val.raw
list(estimate=estimate, statistic=statistic, p.val.raw=p.val.raw, p.val.adj=p.val.adj,
CovMatDat=CovMatDat, CorrMatDat=CorrMatDat, CorrMatComp=R, degr.fr=defr,
ContrastMat=ContrastMat, alternative=alternative)
}
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