[R] Test Normality

Eik Vettorazzi E.Vettorazzi at uke.de
Wed Mar 28 10:55:13 CEST 2012

Hi Sindy,
you might try Snows penultimate normality test from the TeachingDemos
package. But read the help file carefully.



Am 28.03.2012 02:32, schrieb Sindy Carolina Lizarazo:
> Good Night
> I made different test to check normality and multinormality in my dataset,
> but I don´t know which test is better.
> To verify univariate normality I checked: shapiro.test, cvm.test, ad.test,
> lillie.test, sf.test or jaque.bera.test and
> To verify multivariate normal distribution  I use mardia, mvShapiro.Test,
> mvsf, mshapiro.test, mvnorm.e.
> I have a dataset with almost 1000 data and 9 variables, in both cases the
> result is non-normality. For this reason, I transformed data with bcPower
> function and I want to check normality again.
> I really appreciate your help.
> Thanks.
> 	[[alternative HTML version deleted]]
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Eik Vettorazzi

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