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Macromolecular dictionary (mmCIF) version 2.0.09




   Residual factor R for reflections that satisfy the resolution
   limits established by _refine_hist.d_res_high and
   _refine_hist.d_res_low and the observation limit
   established by _reflns.observed_criterion, and that were used
   as the working reflections (i.e. were included in the refinement)
   when the refinement included the calculation of a 'free'
   R factor. Details of how reflections were assigned to the
   working and test sets are given in _reflns.R_free_details.

       sum|F~obs~ - F~calc~|
   R = ---------------------

   F~obs~  = the observed structure-factor amplitudes
   F~calc~ = the calculated structure-factor amplitudes

   sum is taken over the specified reflections

Type: float

Mandatory item: no

The permitted range is [0.0, infinity)

Category: refine_hist