I have two groups, "in" and "out," and item categories that can be split up among the groups. For example, I can have item category A that is 99% "in" and 1% "out," and item B that is 98% "in" and 2% "out."
For each of these items, I actually have the counts that are in/out. For example, A could have 99 items in and 1 item out, and B could have 196 items that are in and 4 that are out.
I would like to rank these items based on the percentage that are "in," but I would also like to give some priority to items that have larger overall populations. This is because I would like to focus on items that are very relevant to the "in" group, but still have a large number of items in the "out" group that I could pursue.
Is there some kind of score that could do this?
edit: I should add that I also know the total number of items that are in and out across all categories. I have a pretty complete picture of how many items I have, what categories they are in, and whether or not they are in/out.