Hello, I am using sgplot to do 2 histograms in a figure, comparing the distribution of 2 groups (one in blue, one in red). I chose to keep the histogram bars empty (nofill option). The legend therefore shows only a colored line, one red and one blue. I would however like to have boxes in the legend, not lines. To match the appearance of my histogram bars, I would like to therefore have empty/white boxes, with colored outlines matching my groups. I can't seem to figure out how to do this. I can either have just lines, or fully colored red and blue boxes. Any experience/ideas with that? Thanks a lot!
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