All,
I have a function that runs a set of regressions (using the rlm
function) and I notice that it run much slower on my 64-bit R than it
does on my 32-bit R. I guess the bigger bit size slows it down.
Anyway, I looked into Rprof to see how I can speed it up. I saw that
78% of the total time is spent in [.data.frame, so I tried converting my
data to a matrix using data.matrix, but then rlm complained that data
needs to be in the form of a data.frame. Am I stuck or is there still
maybe a way to speed up my function?
Thanks,
Roger
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