I have a problem with permutations functions in R
I just started using R so maybe it is an easy question
I need to obtain all the 9.somthingExp 157 permutations that can be
given from the number from 1 to 100
I wrote the following commands:
> library(gregmisc)
>options(expressions=1e5)
cmat <- combinations(300,2)
dim(cmat) # 44850 by 2
>permutations(n=100, r=100)
Unfortunately at a certain point (after few minutes) I get the following
Error:
Error: cannot allocate vector of size 609.1 Mb
What can I do?
Thanks
Fabio
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