Dear colleagues,

This is to inform you that Version 1.0 of the R package royston has been released on CRAN. This package has a function to generate the Shapiro-Wilk's W statistic needed to feed the Royston's test for multivariate normality. It was taken from the Fortran Algorithm AS R94 (Royston, 1995) [URL address http://lib.stat.cmu.edu/apstat/181]. Here, we present both the options for the sample kurtosis type: i) Shapiro-Francia for leptokurtic, and ii) Shapiro-Wilk for the platykurtic ones. For more details, see the following URL:
http://cran.r-project.org/web/packages/royston/index.html




Res. Assist. Selçuk Korkmaz
Hacettepe University 
Faculty of Medicine 

Department of Biostatistics 



Sıhhiye, Ankara.

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