[phenixbb] generate r free flags in phenix.refine not obeying high resolution limit?
michael at hothorn.de
Wed Aug 20 09:35:00 PDT 2008
I'd like to add a question to this. Is there a way in phenix to inherit
the test reflections from another reflection file i.e. in .mtz format?
Pavel Afonine wrote:
> Hi Francis,
> it is always the best to generate the free R flags for the whole dataset
> and this is what phenix.refine does (I will have to double-check,
> though). Because, for example, if you change your mind and later decide
> to use more data, you will run into trouble with generating free R flags
> for the rest of reflections for which you haven't done it in the beginning.
> Also, phenix.refine generates free R that are evenly distributed over
> the resolution, making sure that relatively thin resolution bins receive
> enough of reflections (to assure correct ML estimations).
> So, I don't see any problem here... Am I missing something?
> On 8/20/2008 8:58 AM, Francis E Reyes wrote:
>> Hi all
>> When generating R-Free flags from phenix refine, flags are generated
>> all the way to the limit of the data. However, shouldn't flags be
>> generated up to the limit of the data if specified via
>> n ? If not, are the statistics for R/Rfree matching to high resolution
>> data that may be suspicious ?
>> Francis Reyes M.Sc.
>> 215 UCB
>> University of Colorado at Boulder
>> gpg --keyserver pgp.mit.edu --recv-keys 67BA8D5D
>> 8AE2 F2F4 90F7 9640 28BC 686F 78FD 6669 67BA 8D5D
>> phenixbb mailing list
>> phenixbb at phenix-online.org
> phenixbb mailing list
> phenixbb at phenix-online.org
More information about the phenixbb