Ethan is right.
I also have compiled a few estimates how to get to this number
pp638 ff 'Estimating the restraint count' in BMC
Best, BR
-----Original Message-----
From: CCP4 bulletin board [mailto:[log in to unmask]] On Behalf Of Ethan A Merritt
Sent: Tuesday, June 03, 2014 11:44 AM
To: [log in to unmask]
Subject: Re: [ccp4bb] Observations-to-parameter ratio in Refmac
On Tuesday, 03 June, 2014 17:02:56 Klaus F tterer wrote:
> Does someone know whether Refmac outputs the
> observations-to-parameters ratio or, failing that, the number of refined parameters in the log file?
>
> Klaus
This turns out to be much more complex than you might think.
See:
"To B or not to B: a question of resolution?" Acta Cryst. D68, 468-477.
http://scripts.iucr.org/cgi-bin/paper?S0907444911028320
--
Ethan A Merritt
Biomolecular Structure Center, K-428 Health Sciences Bldg
MS 357742, University of Washington, Seattle 98195-7742
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