MySQL Bugs: #15474: Optimal estimates

Bug #15474	Optimal estimates
Submitted:	5 Dec 2005 2:09	Modified:	14 Jun 2013 18:48
Reporter:	keith allpress	Email Updates:
Status:	Closed	Impact on me:	None
Category:	MySQL Server	Severity:	S4 (Feature request)
Version:		OS:	Any
Assigned to:	Matthew Lord	CPU Architecture:	Any

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Description:
I would presume that single-pass methods are being used internally for the mean and standard deviation functions.  As an extension of these statistics, I would like to have exposed useful internal optimally estimated parameters such as the predicted value, the cumulative error estimates, Kalman gain etc.

How to repeat:
feature request

Hi Keith,

Thank you for the feature request, and for helping to make MySQL even better!

I'm closing this for now, as it's not clear to me exactly what you're requesting.

If you can elaborate more about what you'd like, in the context of MySQL 5.6 and 5.7, then I'll be happy to re-open it.

Thanks again!