Is the following a bug?
##(R version 3.0.2 (2013-09-25)
## Platform: i386-w64-mingw32/i386 (32-bit))


d <- data.frame(a=rep(letters[1:3],4:6))
 rle(d$a)
##Error in rle(d$a) : 'x' must be an atomic vector

is.atomic(d$a)
##[1] TRUE

rle(c(d$a))
## Run Length Encoding
##  lengths: int [1:3] 4 5 6
 ##  values : int [1:3] 1 2 3

Cheers,
Bert

Bert Gunter
Genentech Nonclinical Biostatistics
(650) 467-7374

"Data is not information. Information is not knowledge. And knowledge
is certainly not wisdom."
H. Gilbert Welch

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