[R] conditional data replace (recode, change or whatsoever)
zcatav
zcatav at gmail.com
Wed Aug 3 15:57:49 CEST 2011
David Winsemius wrote:
>
> On Aug 3, 2011, at 8:09 AM, zcatav wrote:
> ........................
> You need to apply the same logical test/selection on the rows of the
> RHS as you are doing on the LHS.
> Possibly:
>
> X[ X[,"c"]==1, "b"] <- X[ X[,"c"]==1, "d"]
>
>
This solution was suggested by R. Michael Weylandt and it works great.
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