[CSDb] - User Forums - Weighted average, again.

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Forums > CSDb Questions > Weighted average, again.

2006-03-06 15:06

Radiant

Registered: Sep 2004
Posts: 639

Weighted average, again.

Ok. Could somebody please, once and for all, in a clear manner describe how the weighted average ranking system works, and what is the reason for using it?

I Code with My Sunglasses at Night 100%

Four votes @ 5, and one vote @ 7, yields a weighted average of 6.2... Why is that good?

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2006-04-26 23:59

Radiant

Registered: Sep 2004
Posts: 639

Also it's OTTER CRAP.

But seriously, why is this system neither explained, nor fixed? Why not just have it so that one vote = one vote?

2006-04-27 15:19

jailbird

Registered: Dec 2001
Posts: 1578

Quoting radiantx

But seriously, why is this system neither explained

Actually, it _was_ explained. When all (or at least most of) the releases/sceners reach a certain (high) amount of votes, the system will start to work. So, CSDb will have a more or less objective chart in a couple of years. Till then, just try get used to it.

2006-04-27 18:02

Radiant

Registered: Sep 2004
Posts: 639

Quoting Jailbird

Actually, it _was_ explained. When all (or at least most of) the releases/sceners reach a certain (high) amount of votes, the system will start to work. So, CSDb will have a more or less objective chart in a couple of years. Till then, just try get used to it.

Yeah, I read some supposed explanation of it, but it was certainly not comprehensible, nor did it provide any reason for using this statistical atrocity instead of a normal mean average and letting every vote be of equal value. (Yes, I realize there are "downvoters", but the solution for this problem is not having the average rating formula try and figure out which votes are "real" - that's for a psychologist to do.)

Also many entries may never receive more than 10, 11, or even 5 votes, in which case the "wait a couple of decades and all will be fine" argument is lost.

?REDO FROM START

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