[R] merging two data sets with no column header
David Winsemius
dwinsemius at comcast.net
Wed Jun 4 07:44:23 CEST 2008
Thanks for your reply.
In your last step If I create a duplicate ( two similar records )
# create a duplicate
vv[8,1] <- 7
vv[8,2]<-'g'
and then I merge vv with vv2 ,both duplicates are merged. Is there a way to
tell R to merge only the unique records.
------
I don't think merge will do what you are asking. Suspect you would need to
do it either before the merge or after. I tried using the Extract operator
on a merged dataset, but only succeeded in omitting the duplicated items,
not both instances.
--
David Winsemius
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