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dup2
2006 Apr 26
1
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),
durat=c(dur1, dur2))
# I want to one have this:
id = c(rep(1,8), rep(2,8))
dur1 <- c( 17,18,19,20,28,1,2,3 )
est1 <- c( rep(1,5), rep(2,3) )
dur2 <- c(1,...