Quick question about subsetting via character-class

Question

I think this is a super quick thing, but I figured I\'d ask since I can\'t for the life of me remember how to do it...

Suppose, I have a data.frame (call it, DF

Answer 1

Is this what you want?

DF[ ,foo][1]

Ah, Joshua posted while I was typing... You can aslo select regions of the columns, eg:

DF[1:3,foo][1]