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mean1
2012 Jan 17
1
New PLYR issue
Hello everyone,
I have got the same problem, with the same error message.
Using R 2.14.1, plyr 1.7.1, R.Studio 0.94.110, Windows XP
The plyr mailing list does not provide any help until now.
>require(plyr)
>c(sample(c(1:100), 50, replace=TRUE))->V1
>c(rep( 1:5, 10))->f1 #variable to group V1
>data.frame(cbind(V1, f1))->DF
>str(DF)
>ddply(DF$V1, DF$f1,