[R] normality test

Philippe Grosjean phgrosje at ulb.ac.be
Mon May 28 19:00:27 CEST 2001


>Hello
>I have used recently the kolmogorov smirnov test,
>which is a test of normality.
>This test is named ks.test() in ctest library of R.
>I wonder if the results of ks.test ()  are true, because
>the results are strange, time to time.
>thank you for help
>meriema

In ctest, you have the Shapiro-Wilk test of normality (shapiro.test) which
is to be preferred to K-S, especially for intrinsic hypothesis, i.e.: when
mean and standard deviation are estimated from the sample itself.

Philippe Grosjean



-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.
-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
_._


-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._



More information about the R-help mailing list