LemmyNet/lemmy
2
0
Fork 0
mirror of https://github.com/LemmyNet/lemmy.git synced 2024-11-16 09:24:00 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Replaced table

Browse source
This commit is contained in:
Scarlett 2020-11-30 13:53:08 -06:00 committed by GitHub
parent 2e9164584b
commit 7f1ab6a5cd
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 12 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
docs/src/about_ranking.md
View file

@ -7,11 +7,19 @@ An expected feature in link aggregators is a kind of "Trending" sort which shows
- After a day or so, the time factor should go away. - After a day or so, the time factor should go away.
- Use a log scale, since votes tend to snowball, and so the first 10 votes are just as important as the next hundred. - Use a log scale, since votes tend to snowball, and so the first 10 votes are just as important as the next hundred.
| Reddit | Hacker News | Lemmy | ## Implementations
|-|-|-|
| Does not take the lifetime of the thread into account, [giving early comments an overwhelming advantage over later ones,](https://minimaxir.com/2016/11/first-comment/) with the effect being even worse in small communities. New comments pool at the bottom of the thread, effectively killing off discussion and making each thread a race to comment early. This lowers the quality of conversation and rewards comments that are repetitive and spammy. | While far superior to Reddit's implementation for its decay of scores over time, [Hacker News' ranking algorithm](https://medium.com/hacking-and-gonzo/how-hacker-news-ranking-algorithm-works-1d9b0cf2c08d) does not use a logarithmic scale for scores. | Counterbalances the snowballing effect of votes over time with a logarithmic scale. Negates the inherent advantage of early comments while still ensuring that votes still matter in the long-term, not nuking older popular comments. | ### Reddit
Does not take the lifetime of the thread into account, [giving early comments an overwhelming advantage over later ones,](https://minimaxir.com/2016/11/first-comment/) with the effect being even worse in small communities. New comments pool at the bottom of the thread, effectively killing off discussion and making each thread a race to comment early. This lowers the quality of conversation and rewards comments that are repetitive and spammy.
### Hacker News
While far superior to Reddit's implementation for its decay of scores over time, [Hacker News' ranking algorithm](https://medium.com/hacking-and-gonzo/how-hacker-news-ranking-algorithm-works-1d9b0cf2c08d) does not use a logarithmic scale for scores.
### Lemmy
Counterbalances the snowballing effect of votes over time with a logarithmic scale. Negates the inherent advantage of early comments while still ensuring that votes still matter in the long-term, not nuking older popular comments.
## Additional Details
``` ```
Rank = ScaleFactor * log(Max(1, 3 + Score)) / (Time + 2)^Gravity Rank = ScaleFactor * log(Max(1, 3 + Score)) / (Time + 2)^Gravity