> 'rowsum()' seems to add row names to the resulting matrix, corresponding to > the respective 'group' values. This is very handy, but it is not documented. > Should the documentation mention it so it could be relied upon as part of API?
If you're referring to base::rowSums, the 'value' section of the help page says " A numeric or complex array of suitable size, or a vector if the result is one-dimensional. For the first four functions the 'dimnames' (or 'names' for a vector result) are taken from the original array. " S Ellison ******************************************************************* This email and any attachments are confidential. Any use...{{dropped:8}} ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel