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usual
2011 May 12
2
Simple order() data frame question.
Clearly, I don't understand what order() is doing and as ususl the help for order seems to only confuse me more. For some reason I just don't follow the examples there. I must be missing something about the data frame sort there but what?
I originally wanted to reverse-order my data frame df1 (see below) by aa (a factor) but since this was not working I...