[R] cronbachs alpha and missing values

[John Kane]

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: penv254 at uni-hamburg.de
> Sent: Wed, 15 Jul 2015 01:50:46 -0700 (PDT)
> To: r-help at 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.
> 
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> and provide commented, minimal, self-contained, reproducible code.

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