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]]
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