http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example and http://adv-r.had.co.nz/Reproducibility.html
Currently we don't even know what version of Cronbach's alpha you are using. Also use google as well as help() Try R statistics Cronbach's alpha John Kane Kingston ON Canada > -----Original Message----- > From: penv...@uni-hamburg.de > Sent: Wed, 15 Jul 2015 01:50:46 -0700 (PDT) > To: r-help@r-project.org > Subject: [R] cronbachs alpha and missing values > > i want to calculate cronbachs alpha for my df. my df has some missing > values > so that there are only 23 out of 56 complete cases. if i run alpha on > only > the complete cases, i get a value of .79 and if i run it on the whole df, > I > get .82. My question is: what does alpha do with those missing values, if > i > include the incomplete cases? are they imputed in some way? > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/cronbachs-alpha-and-missing-values-tp4709885.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. ____________________________________________________________ Can't remember your password? Do you need a strong and secure password? Use Password manager! It stores your passwords & protects your account. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.