I dont understand this voting system

Started Nov 30, 2013 | Discussions thread
Joe Pineapples
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Re: I dont understand this voting system
In reply to Xs Vyper, Dec 1, 2013

Xs Vyper wrote:

Yeah saw that voting tip before but wouldnt it be better if DP uses statistical mean instead of average? I think its more representative of the real score.

Dpreview state that they use a Bayesian rating algorithm that is intended to cope with varying numbers of votes per entry, partial voting for some but not all entries, etc. They don't specify the details. Clearly it is frequently manipulated by deliberate high and low voting, especially given the low average number of votes per entry.

Many people have stopped entering the challenges, and many hosts have stopped hosting them, because of these issues. IMO this has a much more significant effect on the challenges than the details of the ranking algorithm used.

Joe

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