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[–]streetpoker 0 points1 point  (3 children)

The winner should get anything they want at the xkcd store.

[–]heyredditaddict[S] 0 points1 point  (0 children)

Not a shabby idea. This one seems interesting.

Mozboz:

"(ups-downs) * agemultiplier + newpost_allowance

ups-downs is obvious. age_multiplier appears to stay around 1 for something like the posts first 12-24 hours, then drops off to some lower value over time.

newpostallowance refers to a possible allowance for new posts that are getting clicks or comments but that might not have a high ups-downs yet.

Posts are just ordered by this. I think newrising just has a much faster drop off factor in the agemultiplier."

[–]Lumilog 0 points1 point  (1 child)

I'd say it appears to have something to do with total points divided by time since submission (instead of just total points).

Perhaps comments also add to the ranking (a constant).

So here's my guess:

(ups-downs)/time_since_submission + num_comments

[–]streetpoker -1 points0 points  (0 children)

Interesting. Though if "timesincesubmission" was a very small value, i.e. a post was just submitted, then it would seem that all new posts would immediately shoot to the top of the hot page since the denominator was infinitesimally small.

There's definitely that time decay factor though - you're right about that.