[R] Testing for normality of residuals in a regression model

[Dimitris Rizopoulos]

Hi Frederico,

take also a look at the package "nortest":

help(package="nortest")

Best,
Dimitris

----
Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/16/396887
Fax: +32/16/337015
Web: http://www.med.kuleuven.ac.be/biostat/
     http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm.


----- Original Message ----- 
From: "Federico Gherardini" <f.gherardini at pigrecodata.net>
To: <R-help at stat.math.ethz.ch>
Sent: Friday, October 15, 2004 2:44 PM
Subject: [R] Testing for normality of residuals in a regression model


> Hi all,
>
> Is it possible to have a test value for assessing the normality of 
> residuals from a linear regression model, instead of simply relying 
> on qqplots?
> I've tried to use fitdistr to try and fit the residuals with a 
> normal distribution, but fitdsitr only returns the parameters of the 
> distribution and the standard errors, not the p-value. Am I missing 
> something?
>
> Cheers,
>
> Federico
>
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