[R] how to deal with continous and Non continuous mixed variables in factor analysis?
aldi at wustl.edu
Sun May 12 08:26:20 CEST 2013
The continues variables can be handled easy via factanal function.
Binary or ordinal variables can be handled via ltm package, which
implements item response theory.
Hope this helps.
On 5/11/2013 8:06 PM, Klot Lee wrote:
> when I am doing factor analysis, there is continous and Non continuous
> variables(classified variables). Does "psych" package handle this? Is
> there any difference between continous variables and non ones or mixed ones
> when doing factor analysis? If there is, which packages should I use then?
> My data look like this:
> a01 a02 a03 a04 a05
> 14.7 11.9 0.99 0 4
> 20.1 5.5 0.98 1 3
> 11.6 1.9 0.98 0 7
> 54.3 5.7 0.36 0 5
> variable a01, a02, a03 is continuous and a04, a05 is Non continuous. when I
> do factor analysis by psych package, the results is not good enough, so is
> there some method handle data like this?
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