[Yt-dev] sigma

[Matthew Turk]

Well, nuts.  Okay, I'll take a look at this later today or tomorrow.
Maybe we should make a special "calculate error" function?

On Wed, Feb 4, 2009 at 12:47 PM, david collins <antpuncher at gmail.com> wrote:
> I vote do it the 2 pass way.  I've been looking at this this morning,
> and what I keep coming up with (though I don't have a full solution)
> is that you're going to need to compute partial sums of the weight
> field.  I think this pass through the weight field almost outweighs
> the advantage of using this single pass approach.
>
> d.
>
> On Wed, Feb 4, 2009 at 10:23 AM, david collins <antpuncher at gmail.com> wrote:
>>> so we'll need to weight the values to calculate std-dev, yes?
>>
>> I think I answered the wrong question.  Ignore my first post, the UT
>> matrix is irrelevant.
>>
>> d.
>>
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