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[ccp4bb]: Estimate Anormalous Signal-to-Noise ratio

To: ccp4bb@dl.ac.uk
Subject: [ccp4bb]: Estimate Anormalous Signal-to-Noise ratio
From: Yong Xiong <yxiong@chemistry.ohio-state.edu>
Date: Thu, 14 Nov 2002 00:54:34 -0500 (EST)
Sender: owner-ccp4bb@dl.ac.uk

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Dear all, does any one know/have a program/jiffy to estimate the anormalous signal-to-noise ratio by comparing the sigma values of centric and 
acentric reflections? Seems all the popular scaling programs, (and the ccp4 mtz/sf utilities) don't have this information. I know BC Wang is 
advocating this idea but I could not find out any information on their program. Any comments about the reliability of this procedure?

Thanks!

Yong

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