And lo On Fri, 26 Feb 2010 16:37:13 -0000, Invisible <voi### [at] devnull> did  
spake thusly:

> OK, so I finally have to ask. What the hell *is* a chi-squared test? And  
> why does POV-Ray need one?

It's a confidence test so as Le_Forgeron stated it's used to keep the  
processing down i.e. should I bother with this sample? Chi-squared returns  
that there's only a 1% chance there's something significant there, so no I  
won't bother.

-- 
Phil Cook

--
I once tried to be apathetic, but I just couldn't be bothered
http://flipc.blogspot.com

Post a reply to this message