[R] intersection between two matrices based on two columns in R

Duncan Murdoch murdoch.duncan at gmail.com
Wed Sep 9 21:51:47 CEST 2015

On 09/09/2015 3:48 PM, Jeff Newmiller wrote:
> Matrices and data frames are write different. For this you most likely want to use days frames.
> Sent from my phone. Please excuse my brevity.

 ... and your auto-correct. ;-)

Duncan Murdoch

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