The Chen–Shapiro test for normality
Michal Brzezinski
Faculty of Economic Sciences
University of Warsaw
Warsaw, Poland
[email protected]
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Abstract. The Chen–Shapiro test for normality (Chen and Shapiro, 1995, Journal
of Statistical Computation and Simulation 53: 269–288) has been
shown in simulation studies to be generally slightly more powerful than the
commonly used Shapiro–Wilk and Shapiro–Francia tests, implemented
in Stata official commands swilk and sfrancia. I present the
chens command, which performs the Chen–Shapiro test in Stata.
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Michal Brzezinski
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chens, normality testing, Chen–Shapiro test
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