I want to generate a list (called "dataList" below) where each of its
levels is named. These names are assigned to nameList, which contains
all possible permutations of size two taking letters from a larger
alphabet, e.g., "aa",...,"Fd",..,"Z1",... One of these permutations is
the character string "NA". It seems that when I try to name one of the
dataList levels "NA", using names(dataList)<- nameList, the names()
function assigns the missing character to the level. Is there someway
to preserve "NA" as the name of a level in dataList? Here is the R code
I have been using to do this.
namePerms<- permutations(ncol(coinMat),2,colnames(coinMat),repeats=TRUE)
nameList <- paste(namePerms[,1],namePerms[,2],sep="")
dataList <- lapply(1:length(nameList), function(level) {})
names(dataList)<- nameList ## The "NA" in nameList is interpreted
so that the name "NA" is missing for one level in dataList
I am running R 2.4.1 in the Windows XP environment.
Thanks for any help that can be offerred.
Cliff Behrens
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