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34500
2009 Mar 19
0
Matching failure in merge()
Hi!
I've done a merging between 2 dataframes using merge():
delme <-
merge(miDUNS50peqB,Bnomscodmunicipis,by.x="POBLACION",by.y="NOMMUNI",all.x=T,sort=F)
After realizing some problems in the resulting dataset,
I've found that the problem was that, in some cases, there
was no match between the by.x and the by.y elements, despite the
fact that, apparently, such