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INTERNATIONAL TABLES for CRYSTALLOGRAPHY |
Volume G |
Definition and Exchange of Crystallographic Data |
Definition:
The weighting scheme applied in the least-squares process. The standard code may be followed by a description of the weight (but see _refine.ls_weighting_details for a preferred approach).
Type: ucode
Mandatory item: no
Alias:|
sigma | based on measured e.s.d.'s |
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unit | unit or no weights applied |
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calc | calculated weights applied |
Category: refine
Copyright © 2005 International Union of Crystallography