[R] Why aren't row names in a data frame unique?
bhh at xs4all.nl
Tue Mar 6 11:44:02 CET 2012
On 06-03-2012, at 11:23, Ajay Askoolum wrote:
> Jim, have a look here: http://www.r-bloggers.com/select-operations-on-r-data-frames/. Specifically at the Duplicate Row Names section towards the end of the page.
Look carefully at that example.
It is NOT providing rownames for a dataframe.
It IS providing row names for a matrix.
A matrix is not equal to a dataframe.
More information about the R-help