Re: [R] relating data in two data frames

ry(plyr) join(A,B,type="inner") Joining by: FID    FID Age 1    a   5 2    a   5 3    b   7 4    b   7 5    c   9 6    c   9 7    d   3 8    d   3 9    d   3 10   d   3 A.K. - Original Message - From: Sapana Lohani To: "r-help@r-project.org" Cc: Sent: Sunday, Augu

Re: [R] relating data in two data frames

On Aug 19, 2012, at 5:56 PM, Sapana Lohani wrote: Hi, My data.frame "A" has FID like this FID a a b b b c c d d d d Now my second data.frame "B" has age value for a, b, c, d like FID Age a 5 b 7 c 9 d 3 How can search for the Age column in "B" and replace the value

[R] relating data in two data frames

Hi, My data.frame "A" has FID like this FID a a b b b c c d d d d Now my second data.frame "B" has age value for a, b, c, d like FID Age a  5 b  7 c  9 d  3 How can search for the Age column in "B" and replace the values in "A" so that my new "A" looks like this FID Age