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From Phil Steitz <>
Subject Re:
Date Sun, 08 Jun 2008 12:56:07 GMT
Albretch Mueller wrote:
>  as part of
>  you have:
>  however I don't see something like:
>  addValue(new_val, NoV, Mean, Std_Dev, Skew)
>  in order to get the new statistics based on the old one?
>  It is very easy to do the Math to calculate the new Mean, Std_Dev and
> Skew, based on the old values for a certain new value
>  Why doesn't give you that?
No reason, other than that no one has suggested this.  Patches are 
always welcome.  I am not sure what the best API would be for this 
enhancement, but it would probably belong in the StatUtils class.  
Anyone else have ideas on how best to do this?


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