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? Pavel. 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 refinement.input.xray_data.high_resolutio n ? If not, are the statistics for R/Rfree matching to high resolution data that may be suspicious ?
Thanks
FR
--------------------------------------------- Francis Reyes M.Sc. 215 UCB University of Colorado at Boulder
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