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net1
2011 Nov 10
3
counting columns that match criteria
Hi,
I am a little new in R but I'm finding it extremely useful :)
Here's my tiny question:
I've got a table with a lot of columns. What I am interested now is to
evaluate how many of 4 columns have a value greater than 1.
I think it can be done with subset() but it will take a very long condition
and become unfeasible if I want to compare more than 4 columns.
I put here a small