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cschen
2011 Aug 01
3
possible reason for merge not working
Hi Guys,
working on a "merge" for 2 data frames.
Using the command:
x <- merge(annotatedData, UCSCgenes, by.x="names",
by.y="Ensembl.Gene.ID", all.x=TRUE)
names and Ensembl.Gene.ID are columns with similar elements from the x
and y data frames.
annotatedData has 8909 entries, so has x(as expected). x has columns
for UCSCgenes, but there is no data in them, all n/a, as if no ma...