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 Results for DC.creator="A." AND DC.creator="Vagin" in section 21.2.3 of volume F   page 1 of 2 pages.
Validation of a model versus experimental data
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3, pp. 665-673 [ doi:10.1107/97809553602060000880 ]
Validation of a model versus experimental data 21.2.3. Validation of a model versus experimental data By far the most important measure of the quality of a given atomic model is its agreement with the experimental ...

Assessing the quality of a structure as a whole
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3.1.3.1, pp. 668-669 [ doi:10.1107/97809553602060000880 ]
Assessing the quality of a structure as a whole 21.2.3.1.3.1. Assessing the quality of a structure as a whole As for the evaluation of ...

Quality assessment based on surveys across structures
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3.1.3, pp. 668-673 [ doi:10.1107/97809553602060000880 ]
... based on surveys across structures 21.2.3.1.3.1. Assessing the quality of a structure as a whole | | As for the evaluation of the geometric and stereochemical ... by computing the average values of local quality measures across a given structure. This can be done for the per- ...

Evaluation of individual structures
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3.1.2, pp. 667-668 [ doi:10.1107/97809553602060000880 ]
... factor difference may stem from the fact that SFCHECK considers a somewhat different number of reflections (9144) than the authors (9098 ... the Wilson plot; the behaviour of the optical resolution as a function of the nominal resolution (d spacing); the data completeness and structure-factor standard error as a function of the d spacing; the maximal and minimal ...

Local agreement between the model and the experimental data
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3.1.1.4, p. 667 [ doi:10.1107/97809553602060000880 ]
... or definition of the parameter and the third column contains a short description of the meaning of the parameters when warranted. ParameterFormula/definitionMeaning Shift † Normalized average atomic displacement computed over a group of atoms or residue; reflects the tendency of the ... current position Density correlation ++ Electron density correlation coefficient computed over a group of atoms or residue; reflects the local agreement ...

Estimations of errors in atomic positions
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3.1.1.3, p. 667 [ doi:10.1107/97809553602060000880 ]
... original error measure of Cruickshank (1949). The second is a modified version of this error measure, in which the difference ... or definition of the parameter and the third column contains a short description of the meaning of the parameters when warranted. ... centre, in the x direction, for spherically symmetric peaks; . ++a is the crystal unit-cell length, h is the ...

Global agreement between the model and experimental data
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3.1.1.2, p. 666 [ doi:10.1107/97809553602060000880 ]
... see Table 21.2.3.1) but no [sigma] cutoff. References Brünger, A. T. (1992b). Free R value: a novel statistical quantity for assessing the accuracy of crystal structures. ...

Treatment of structure-factor data and scaling
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3.1.1.1, p. 666 [ doi:10.1107/97809553602060000880 ]
... observed structure factors. The scaling factor, S, is computed using a smooth cutoff for low-resolution data (Vaguine et al., 1999 ... or definition of the parameter and the third column contains a short description of the meaning of the parameters when warranted. ... S ¶ Factor applied to scale to †† Function applied to obtain a smooth cutoff for low-resolution data † is the standard ...

Tasks performed by SFCHECK
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3.1.1, pp. 666-667 [ doi:10.1107/97809553602060000880 ]
... observed structure factors. The scaling factor, S, is computed using a smooth cutoff for low-resolution data (Vaguine et al., 1999 ... or definition of the parameter and the third column contains a short description of the meaning of the parameters when warranted. ... S ¶ Factor applied to scale to †† Function applied to obtain a smooth cutoff for low-resolution data † is the standard ...

A systematic approach using the SFCHECK software
Wodak, S. J., Vagin, A. A., Richelle, J., Das, U., Pontius, J. and Berman, H. M.  International Tables for Crystallography (2012). Vol. F, Section 21.2.3.1, pp. 666-673 [ doi:10.1107/97809553602060000880 ]
A systematic approach using the SFCHECK software 21.2.3.1. A systematic approach using the SFCHECK software 21.2.3.1.1. Tasks performed by ... observed structure factors. The scaling factor, S, is computed using a smooth cutoff for low-resolution data (Vaguine et al., ...

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