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 Results for DC.creator="D." AND DC.creator="W." AND DC.creator="J." AND DC.creator="Cruickshank" in section 18.5.2 of volume F
Statistical descriptors and goodness of fit
Cruickshank, D. W. J.  International Tables for Crystallography (2012). Vol. F, Section 18.5.2.3, p. 501 [ doi:10.1107/97809553602060000859 ]
... Tables, edited by E. Prince. Dordrecht: Kluwer Academic Publishers. Schwarzenbach, D., Abrahams, S. C., Flack, H. D., Gonschorek, W., Hahn, Th., Huml, K., Marsh, R. E., Prince, E., ...

Weights
Cruickshank, D. W. J.  International Tables for Crystallography (2012). Vol. F, Section 18.5.2.2, pp. 500-501 [ doi:10.1107/97809553602060000859 ]
Weights 18.5.2.2. Weights In the early stages of refinement, artificial weights may be chosen to accelerate refinement. In the final stages, the weights must be related to the precision of the structure factors if parameter variances are being sought. There are two distinct ways, covering two ranges of error, in which ...

The normal equations
Cruickshank, D. W. J.  International Tables for Crystallography (2012). Vol. F, Section 18.5.2.1, p. 500 [ doi:10.1107/97809553602060000859 ]
... is minimized, where [Delta] is either for or for , and w(hkl) is chosen appropriately. The summation is over crystallographically independent ... to For the values of for common parameters see, e.g., Cruickshank (1970). Some important points in the derivation of the ... to . The covariance of the parameters and is References Cruickshank, D. W. J. (1970). Least-squares refinement of ...

The least-squares method
Cruickshank, D. W. J.  International Tables for Crystallography (2012). Vol. F, Section 18.5.2, pp. 500-501 [ doi:10.1107/97809553602060000859 ]
... is minimized, where [Delta] is either for or for , and w(hkl) is chosen appropriately. The summation is over crystallographically independent ... to For the values of for common parameters see, e.g., Cruickshank (1970). Some important points in the derivation of the ... Chemical Tables, edited by E. Prince. Dordrecht: Kluwer Academic Publishers. Cruickshank, D. W. J. (1970). Least-squares refinement of ...

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