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2012 Jul 18
3
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Hi
I think/hope there will be a simple solution to this but google-ing has
provided no answers (probably not using the right words)
I have a long data frame of >2 000 000 rows, and 6 columns. Across this
there are 24 000 combinations of gene in a column (n=12000) and gender in a
column (n=2... obviously). I want to create 2 new columns in the data frame
that on each row gives, in one column