[GSAS-II] GOF in GSAS-II vs Chi^2 in GSAS-I

[Brian Toby]

What most people call Chi^2, in GSAS-II is given the correct name, Reduced Chi^2, which is the GOF (Goodness of Fit) squared. In GSAS-II, Chi^2 is the sum of weight*(obs-calc)^2 for each data point (e.g. unnormalized). 

Is this more clear? 

Brian


On Sep 18, 2015, at 5:07 PM, Sergey Ushakov <svushakov at ucdavis.edu> wrote:

> Hello, 
> 
> I was wondering if GOF in GSAS-II calculated the same way as Chi^2 in GSAS-I ? 
> It seems there were Chi^2 and reduced CHI^2  in previous versions of GSAS-II and now it is replaced with Chi^2 and GOF ? 
> 
> Thank you, 
> Sergey
> 
> 
> --
> Sergey Ushakov PhD
> 
> Staff Research Associate
> Peter A Rock Thermochemistry Laboratory and NEAT ORU
> University of California at Davis
> 
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Brian Toby
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Naperville IL 60565-1240

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