[R] cronbachs alpha and missing values

[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 function is in a contributed package then you should load that package first. Documentation quality may vary due to volunteer dedication, but it often answers questions like this.
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Sent from my phone. Please excuse my brevity.

On July 15, 2015 1:50:46 AM PDT, penv254 <penv254 at uni-hamburg.de> wrote:
>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?
>
>
>
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