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. 1993 Jan 30;12(2):181-4.
doi: 10.1002/sim.4780120209.

A pocket-calculator algorithm for the Shapiro-Francia test for non-normality: an application to medicine

P Royston  1
Affiliations

A pocket-calculator algorithm for the Shapiro-Francia test for non-normality: an application to medicine

P Royston. Stat Med. .

Abstract

An easy-to-calculate approximation to the Shapiro-Francia W' test and its P-value is proposed. Its accuracy is sufficient for practical application in samples of size 5 or larger.

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