You're totally right Jeff. My mistake! to use with, we write it like this:
DF$season <- factor ( with ( *DF*, ifelse (( month == 12 | nonth == 1 |
month == 2 ), "Win",
ifelse ((month == 3 | nonth == 4 | month == 5 )
, "Spr",
ifelse ((month == 6 | nonth == 7 | month == 8 ) , "Sum", "Aut")))))
I'm glad it was useful for you,
Regards,
Ricardo
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