[R] Dataframe and conditions

fgrelier fgrelier at weborama.com
Tue May 14 10:06:12 CEST 2013


I have in a dataframe X  :  3 Variables X$a , X$b, X$c
I would like to replace in X the values of X$a by the values of  X$c but
only when X$b=="TRUE"
I have tried to put in place a loop but as I have a lot of rows it is very
very long to run.

Thanks for your help





--
View this message in context: http://r.789695.n4.nabble.com/Dataframe-and-conditions-tp4667012.html
Sent from the R help mailing list archive at Nabble.com.



More information about the R-help mailing list