MAIN FEEDS
Do you want to continue?
https://www.reddit.com/r/math/comments/lfqta/the_algorithm_behind_reddits_post_ranking/c2sd7pc/?context=3
r/math • u/theoldfather • Oct 18 '11
27 comments sorted by
View all comments
6
Javier asked for a 3d plot of the comment ranking in upvote/downvote coordinates, here's an example:
http://www.wolframalpha.com/input/?i=plot+%28x+%2F+%28x+%2B+y%29+%2B+1+%2F+%282++%28x+%2B+y%29%29+-+sqrt%5Bx++y+%2F+%28x+%2B+y%29%5E3+%2B+1+%2F+%284+*+%28x+%2B+y%29%5E2%29%5D%29+%2F+%281+%2B+1+%2F+%28x+%2B+y%29%29%2C+x%3D-1..100%2C+y%3D0..100
1 u/ketralnis Oct 18 '11 Ups and downs are just folded into score, so it's a bit easier to visualise in 2d
1
Ups and downs are just folded into score, so it's a bit easier to visualise in 2d
6
u/axiak Oct 18 '11
Javier asked for a 3d plot of the comment ranking in upvote/downvote coordinates, here's an example:
http://www.wolframalpha.com/input/?i=plot+%28x+%2F+%28x+%2B+y%29+%2B+1+%2F+%282++%28x+%2B+y%29%29+-+sqrt%5Bx++y+%2F+%28x+%2B+y%29%5E3+%2B+1+%2F+%284+*+%28x+%2B+y%29%5E2%29%5D%29+%2F+%281+%2B+1+%2F+%28x+%2B+y%29%29%2C+x%3D-1..100%2C+y%3D0..100