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Unread 13-05-2015, 05:00
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Re: "standard error" of OPR values

Calculation of the standard error in OPR for each team sounds straightforward - the RMS of the residuals between the linear model and the match data for the matches in which a team participated. However, this number would probably not cast much if any light on the source of this scatter. One obvious source of scatter is the actual match-to-match performance variation of each team - puts up two stacks per match, but in that match, they set the stack on some litter and it knocked over the first. Another is non-linearity in the combined scoring (e.g. two good teams that perform very well when with mediocre partners, but run out of game pieces when allied, or a tote specialist allied with an RC specialist who do much better together than separately).
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