Outlier resistant APS system

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Return to Thread:Talk:Darkcanuck/RRServer/Ratings/Outlier resistant APS system/reply (5).

Using z-score as threshold will need tuning to work properly, because it has unpredictable robustness. Remembering sampled standard deviations are also affected by outliers.

Choosing a very low percentile and a very high percentile as boundaries and averaging everything in between may have the effect you want without relying on noisy sampled deviations. Like 25%/75% (1st/3rd quartiles).

MN‎20:37, 16 February 2012
 
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