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tp2123939p2123956
2010 May 03
8
Delete rows with duplicate field...
as a r noob i am having another problem:
i have a big dataframe where each row corresponds to one entry and each
column is a field...
for instance, i have the column ID and time and many more...
Id like to get a dataframe where all IDs are just included once (some users
with that ID might have several entries but Id like to kepp only one)..
when i use unique I only get a list of the levels (or