when to use polychoric correlations censored ordinal data why use polychoric correlations what is a polychoric correlation why use a polychoric correlation matrix in exploratory factor analysis when to use polychoric correlations why would you choose polychoric correlations for factor analysis which factor can not be censored why use polychoric correlations censored ordinal definition which factors can be censored in a factor analysis when to use polychoric correlation why use polychoric correlation matrix why is it not justifiable to use the polychoric correlation? what kind of data do you use r for factor analysis why use polychoric correlation what is factor analysis in r which factor is the only factor used to perform factor analysis? when to use polychoric correlation why is it wrong to use polychoric correlation