Finding tags with "discriminating property"

[Erich Schubert]

Hello Enrico,
>  2) find 2 the best selections of tags A and B that approximate that
>     ~50% of the packages have tag A and ~50% of the packages have tag B

My package browser tries to do that. IIRC the topmost tag is the one
closest to 50% of the packages, and the next close to 50% of the
remaining packages... we could probably modify that to pick the second
so it's very high with the remaining packages and low within the first
set.
But how are you going to extend that to more than one tag?
Personally I prefer having a selection of tags and a "which fits your
target best" kind of question; with an optional "show me more tags"
button...

best regards,
Erich Schubert
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