Dummy variables are not needed in R. Bert
Sent from my iPhone -- please excuse typos. On Apr 20, 2013, at 11:23 AM, shyam basnet <shyamabc2...@yahoo.com> wrote: > Hello R-users, > > The below is a snippet of my data: > > > fid crop year value > 5_1_1 SWHE 1995 171 > 5_1_1 SWHE 1997 696 > 5_1_1 BARL 1996 114 > 5_1_1 BARL 1997 344 > 5_2_2 SWHE 1995 120 > 5_2_2 SWHE 1996 511 > 5_2_2 BARL 1996 239 > 5_2_2 BARL 1997 349 > > Here, I want to create dummy variables with the names of the content of a > column 'crop' in a way that the new variable 'SWHE' would receive a value of > 1 if the column 'crop' contains 'SWHE' and 0 otherwise. So, I would have two > new variables SWHE and BARL as below: > > > fid crop year value SWHE BARL > 5_1_1 SWHE 1995 171 1 0 > 5_1_1 SWHE 1997 696 1 0 > 5_1_1 BARL 1996 114 0 1 > 5_1_1 BARL 1997 344 0 1 > 5_2_2 SWHE 1995 120 1 0 > 5_2_2 SWHE 1996 511 1 0 > 5_2_2 BARL 1996 239 0 1 > 5_2_2 BARL 1997 349 0 1 > > > Cheers, > Shyam > Nepal > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.