David Keith Williams

According to our database¹, David Keith Williams authored at least 2 papers between 2008 and 2014.

Collaborative distances:

Dijkstra number² of six.
Erdős number³ of six.

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2014

Three algorithms and SAS macros for estimating power and sample size for logistic models with one or more independent variables of interest in the presence of covariates.

[BibT_eX]

[DOI]

David Keith Williams

Zoran Bursac

Source Code Biol. Medicine, 2014

2008

Purposeful selection of variables in logistic regression.

[BibT_eX]

[DOI]

Source Code Biol. Medicine, 2008

David Keith Williams

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