On Sep 22, 2010, at 12:35 PM, AndrewPage wrote:
I understand how duplicated and unique work for a list where all
parts of a
given row are duplicated, or how to find duplicated values if I'm just
looking at that first column, but in this case the rows for 1954
and 1955
are not completely the same; only quarter 1 is duplicated, so I'm
not sure
how to apply either duplicated or unique in that case.
Did you understand that the example data you are using is neither a
data.frame nor a matrix?
Thanks,
Andrew
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