[R] tapply

Dimitris Rizopoulos dimitris.rizopoulos at med.kuleuven.be
Fri Jun 1 13:33:08 CEST 2007


try this:

tapply(re, list(reg, ast), function(x) shapiro.test(x)$p.value)


I hope it helps.

Best,
Dimitris

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

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/(0)16/336899
Fax: +32/(0)16/337015
Web: http://med.kuleuven.be/biostat/
     http://www.student.kuleuven.be/~m0390867/dimitris.htm


----- Original Message ----- 
From: "livia" <yn19832 at msn.com>
To: <r-help at stat.math.ethz.ch>
Sent: Friday, June 01, 2007 1:00 PM
Subject: [R] tapply


>
> Hello, I want to conduct normality test to a series of data and get 
> the
> p-value for each subset. I am using the following codes, but it does 
> not
> work.
>
> tapply(re, list(reg, ast), pvalue(shapiro.test))
>
> Could anyone give me some advice? Many thanks.
> -- 
> View this message in context: 
> http://www.nabble.com/tapply-tf3851631.html#a10910748
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
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> PLEASE do read the posting guide 
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 


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