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Protein Data Bank exchange dictionary (pdbx) version 1.0521
_refine_analyze.Luzzati_sigma_a_free
Name:'_refine_analyze.Luzzati_sigma_a_free'
Definition:
The value of sigma~a~ used in constructing the Luzzati plot for the reflections treated as a test set during refinement. Details of the estimation of sigma~a~ can be specified in _refine_analyze.Luzzati_sigma_a_free_details. Ref: Luzzati, V. (1952). Traitement statistique des erreurs dans la determination des structures cristallines. Acta Cryst. 5, 802-810.
Type: float
Mandatory item: no
Category: refine_analyze