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. -- View this message in context: http://r.789695.n4.nabble.com/conditional-data-replace-recode-change-or-whatsoever-tp3714715p3715544.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.