21 Jun 2007, 16:28 (Ref:1943491)
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#11
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Racer
Join Date: Sep 2005
Posts: 480
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Quote:
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Originally Posted by Schummy
Anomalous numbers have been signaled using median and semi-interquartie range SIQR = (Q3 - Q1) / 2. In a sort of "robust" standardization each value x is mapped to (x - Me) / SIQR . If the absolute value of it is greater than 4 it is signaled as "anomalous".
To calculate the average without anomalous values, in an unbiased way, anomalous are dropped but also the "opposite" values are dropped. In case of FA/LH, -0.58 is dropped (the smallest value), but +0.47 is dropped as well (the greatest value).
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Well yeah
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__________________
Don't mention JV.
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