A pocket-calculator algorithm for the Shapiro-Francia test for non-normality: an application to medicine.
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.
Royston
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Department of Medical Physics, Royal Postgraduate Medical School, London, U.K.
D000465:Algorithms; D000818:Animals; D001724:Birth Weight; D013223:Statistics as Topic; D013552:Swine