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nuno
2006 Aug 28
1
Extracting column name in apply/lapply
Hi,
any good trick to get the column names for title() aside from running lapply on the column indexes?
Thanks
Nick.
apply(X[,numCols],2,function(x){
nunqs <- length(unique(x))
nnans <- sum(is.na(x))
info <- paste("uniques:",nunqs,"(",nunqs/n,")","NAs:",nnans,"(",nnans/n,")")
hist(x,xlab=info)
# --> title("???")
})
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