Re: [R] cronbachs alpha and missing values

2015-07-16 Thread John Kane
ha 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

Re: [R] cronbachs alpha and missing values

2015-07-15 Thread Jeff Newmiller
Sorry, ESP not functioning. Reproducible example missing. There is always more than one way to do things in R, so you need to be specific. Protip: learn to use the help system. For example, of the function you are using is called alpha, then type ?alpha at the R prompt and read. If the functio

[R] cronbachs alpha and missing values

2015-07-15 Thread penv254
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,