@denserro wrote:   However, when I do attempt to sort the data in the following way, it does not work. proc sort; by group male;    This also does not work. proc sort; by male group;   The odd thing is that this method DOES work on one dataset I have but not another one.   Has anyone else experienced this issue?   Please describe how or what doesn't work. Do you get an error message from the sort, post the error.   When you do not explicitly list the name fo the data set to be used the last created data set is used in procs. You might be attempting to sort a data set other than the one used for the boxplot procedure or plotting a set other than the sorted one. ... View more