Re: [R] subsetting large data frames.

It worked wonderfully - Thanks very much! hesicaia wrote: > > Hi all, > I have a question regarding subsetting of large data frames. I have two > data frames “catches” and “tows” and they both have the same 30 variables > (columns). I would like to select rows in the data frame “tows” where

Re: [R] subsetting large data frames.

on 12/07/2008 11:16 AM hesicaia wrote: > Hi all, > I have a question regarding subsetting of large data frames. I have two > data frames “catches” and “tows” and they both have the same 30 variables > (columns). I would like to select rows in the data frame “tows” where all 5 > specific variables

[R] subsetting large data frames.

Hi all, I have a question regarding subsetting of large data frames. I have two data frames “catches” and “tows” and they both have the same 30 variables (columns). I would like to select rows in the data frame “tows” where all 5 specific variables are NOT matched in “catches. That is to say, th