[IUCr Home Page] [CIF Home Page]

Core CIF Dictionary version 2.3

_refine_ls_weighting_scheme

Name

'_refine_ls_weighting_scheme'

Category: refine

Data type: char

Permitted values:

sigma "based on measured s.u.'s"
unit 'unit or no weights applied'
calc 'calculated weights applied'


Enumeration default: sigma

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).

Copyright © 2003 International Union of Crystallography

IUCr Webmaster