R  = sum|(|(Fo)|-|(Fc)|)|/sum|(Fo)|. o=observed., c=calculated.
Ri = sum|(|Io|-IIm|)|/sum(|Io|).        m=mean, i=intensity
Rb =sum|(|Io|-IIc|)|/sum(|Io|).         b=Bragg 
R-fee
R-work
R-symm
R-rim
R-merge
wR (weighted) 
R-?
R-?
R-? 
Interrelation?  


Date: Fri, 18 Jan 2013 09:37:12 +0530
From: [log in to unmask]
Subject: [ccp4bb] R-factors of various kind
To: [log in to unmask]

Hi, it would be nice if you highlight different type of R-factors used in the literature. I like to understand various kind of R-Factors, their mathematical formula, and relations among them.
Thank you.
Teri