search for: continiuo

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2004 May 13
1
factor analysis
hi all this is a stats question. when undertaking factor analysis should the variables included always be continiuos random variables? could one include categorical data? e.g some survey type data my gut feeling is that one should not include categorical type data since factor analysis is based on the eigenanalysis of the correlation matrix of a group of variables. The introduction of categorical data into a da...