CCP14
    Tutorials and Examples
    Peak Fitting using Xfit-Koalariet (Coelho and Cheary) for Win95/NT
    Fit Parameter of Left of Screen
    The CCP14 Homepage is at http://www.ccp14.ac.uk
    
[The reference to use for XFIT or FOURYA in any resulting publications is:
Cheary, R. W. & Coelho, A. A. (1996). Programs XFIT and FOURYA, deposited in CCP14 Powder Diffraction Library, 
Engineering and Physical Sciences Research Council, Daresbury Laboratory, Warrington, England. 
(http://www.ccp14.ac.uk/tutorial/xfit-95/xfit.htm)]
- This is one of the fit parameters to tell you how the 
goodness of fit is going.  The lower the value, the better. 
A good or bad value depends on your actual data and your type of
sample.