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homogen
2008 Mar 25
1
Error propagation
...BT <- NULL
COVALL <- 0
### Q1: These are the permutations for the covariance matrix. Is
this right? No repeats allowed because cov(X1, X1) equals variance?
perm <- permutations(length(varList), 2, repeats.allowed = FALSE)
### Q2: A Bartletts test to check for hemogeneity of variance,
which is prerequisite for gaussian error propagation. Does that make
sense?
if (type == "raw") {
BT <- bartlett.test(varList)
if (BT$p.value < 0.05) print("Bartlett's test indicates
heteroscedasticity! Continuing anyway, but k...