Hello,   I'm on SAS Studio; just started learning SAS. I'm trying to Merge 2 data sets with a BY statement on the variable 'Size', however I'm not sure if I'm doing it correctly. There are uneven observations between the 2 (such as 2 LARGE for set One but 3 LARGE for set Two) so it ends up reusing the previous observation for the one with less (so for Set One Large it shows 19.0, 16.5, and 16.5. Is there something else I should be adding/something I'm doing incorrectly?    ... View more