Thursday, April 12, 2012

Find equal columns in data.frames

I have two data.frame objects 'x' and 'ans1', there are 500 columns in 'x' and 7 in 'ans1'
How can I find names of columns from 'x', which are equal to columns from 'ans1'?




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1 comment:

  1. javatubeApril 12, 2012 at 11:52 PM

    With %in%:

    names(x) %in% names(ans1)

    See ?match for more detail.

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