look also at functions cronbach.alpha() and descript(), in the 'ltm' package.
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: "raymond chiruka" <[EMAIL PROTECTED]> To: "r" <[EMAIL PROTECTED]> Sent: Wednesday, November 14, 2007 12:33 AM Subject: [R] cronbach's alpha > hie > 1...i'm trying to carryout a relibility testusing cronbach's > alpha what fuctin do i use. > > 2.. this is more of a statistical question.if the alpha value > for all the variables is negative what does it mean. and if the > alpha value is negative for all tyha variables but is greater than > 0.7 for some sections of the variables what does that mean > > thanks in advance > > > > --------------------------------- > Never miss a thing. Make Yahoo your homepage. > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
