Perhaps this is the intended behavior, but I discovered that unsplit
throws an error when it tries to set rownames of a variable that has
no dimension. This occurs when unsplit is passed a list of
data.frames that have only a single column.
An example:
df <- data.frame(letters[seq(25)])
fac <- rep(seq(5), 5)
unsplit(split(df, fac), fac)
For reference, I'm using R version 2.9.0 (2009-04-17), subversion
revision 48333, on Ubuntu 8.10.
--
William H. Gray, III Computer Systems Analyst
Biostatistics Shared Resource Vanderbilt-Ingram Cancer Center
571 Preston Building Nashville, TN 37232-6848
Ph. 615.936.0563 Fax 615.936.2602
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