ay, February 03, 2009 4:47 PM
> To: r-help@r-project.org
> Subject: [R] cronbachs alpha - score.items(psych) vs reliability(Rcmdr)
>
>
> Dear all,
>
> I like the way the Rcmdr package computes reliability. E.g
>
> reliability(cov(d[,c("q1", "q2", "
To: r-help@r-project.org
> Subject: Re: [R] cronbachs alpha - score.items(psych) vs
> reliability(Rcmdr)
>
> The item.total command in the "multilevel" package will give
> you what you want.
>
> --Chris
> Christopher W. Ryan, MD
> SUNY Upstate Medical Univer
The item.total command in the "multilevel" package will give you what
you want.
--Chris
Christopher W. Ryan, MD
SUNY Upstate Medical University Clinical Campus at Binghamton
40 Arch Street, Johnson City, NY 13790
cryanatbinghamtondotedu
PGP public keys available at http://home.stny.rr.com/ryancw/
Canada
web: socserv.mcmaster.ca/jfox
-----Original Message-----
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On
Behalf Of achristoffersen
Sent: February-03-09 6:47 PM
> To: r-help@r-project.org
Subject: [R] cronbachs alpha - score.items(psych) vs reliabilit
n:\n")
print(round(x$rel.matrix, digits))
invisible(x)
}
I hope this helps,
John
--
John Fox, Professor
Department of Sociology
McMaster University
Hamilton, Ontario, Canada
web: socserv.mcmaster.ca/jfox
> -Original Message-
> From: r
Dear all,
I like the way the Rcmdr package computes reliability. E.g
reliability(cov(d[,c("q1", "q2", "q3", "q4", "q5", "q6")],
use="complete.obs"))
will not only give me the alpha score, but also for each variable,
alpha.score if deleted. However - when writing scripts it's very tiresome to
lo
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