[R] help using tapply

Dear R-mates, # Here's what I am trying to do. I have a dataset like this: id = c(rep(1,8), rep(2,8)) dur1 - c( 17,18,19,18,24,19,24,24 ) est1 - c( rep(1,5), rep(2,3) ) dur2 - c(1,1,3,4,8,12,13,14) est2 - rep(1,8) mydata = data.frame(id, estat=c(est1, est2),

Re: [R] help using tapply

On 4/26/06, Dimitri Szerman [EMAIL PROTECTED] wrote: Dear R-mates, # Here's what I am trying to do. I have a dataset like this: id = c(rep(1,8), rep(2,8)) dur1 - c( 17,18,19,18,24,19,24,24 ) est1 - c( rep(1,5), rep(2,3) ) dur2 - c(1,1,3,4,8,12,13,14) est2 - rep(1,8) mydata =