Assessment of Phase Accuracy by Cross Validation : the Free R Value . Methods and Applications

@inproceedings{BRONGER2001AssessmentOP,
  title={Assessment of Phase Accuracy by Cross Validation : the Free R Value . Methods and Applications},
  author={AXEL T. BRONGER},
  year={2001}
}
  • AXEL T. BRONGER
  • Published 2001
Analogies between the free R statistic [Briinger (1992). Nature (London), 355, 472-474] and the statistical methods of cross validation and bootstrap are discussed. Several new applications which make use of the previously observed correlation between the free R value and the phase accuracy of crystal structures are presented. One application concerns the relative weighting of individual restraint classes in macromolecular refinement. The free R value provides an objective statistical basis for… CONTINUE READING

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