[R] help on selecting values of an object

Dear List, please provide some input on the following: we have a -c(0,1,2,3) b -c(4,5,6,7) d -cbind(a,b) k -c(0,0,2,2,3,3,2) k in this case consists of some values of d[,1] in a random sequence. What I am trying to do is to create an object f that would have the values of d[,2] in it based on

Re: [R] help on selecting values of an object

[mailto:r-help-boun...@r-project.org] On Behalf Of Andras Farkas Sent: Thursday, July 4, 2013 1:09 PM To: r-help@r-project.org Subject: [R] help on selecting values of an object Dear List, please provide some input on the following: we have a -c(0,1,2,3) b -c(4,5,6,7) d -cbind(a,b) k -c

Re: [R] help on selecting values of an object

Hi, You could use: d1- data.frame(a,b) k1-data.frame(a=k) library(plyr) join(k1,d1,by=a)[,2] #[1] 4 4 6 6 7 7 6 A.K. - Original Message - From: Andras Farkas motyoc...@yahoo.com To: r-help@r-project.org Cc: Sent: Thursday, July 4, 2013 2:09 PM Subject: [R] help on selecting values