[phenixbb] continuously Rfree lower than Rwork

[Tim Gruene]

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On 03/31/2015 05:35 AM, Pavel Afonine wrote:
> [...] - this sometimes happens if you refine against ultra-high
> resolution (higher than say 0.7A).

At this resolution your data to parameter ratio is often so high,
though, that you don't need a test set. Of course, the
ratio depends on the unit cell volume.

Best,
Tim

> 
> On 3/30/15 8:01 AM, Smith Liu wrote:
>> Dear All, If in a Phenix.refine proces, the Rfree continuously
>> lower than Rwork, what does it mean? Smith
> 
> 
> 
> 
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- -- 
- --
Dr Tim Gruene
Institut fuer anorganische Chemie
Tammannstr. 4
D-37077 Goettingen

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