[R] Fit indexes in SEM with categorical data + ML estimation

sing polychoric correlation (hetcor in polycor package) in combination with ML. Does SEM use the Satorra-Bentler rescaled Chi-square for instance? I look in previous posts but couldn't find what i am looking for (hope i looked well enough!). Cheers, Dorothee -- View this message in conte

Re: [R] polychoric correlation: issue with coefficient sign

should not use these two variables in the analysis i wanted to do (at least in their present state;maybe within an index...). And I should also read (heaps) more on polychoric correlation/correlation with categorical data...:-) Thanks for all your help! Cheers, Dorothee. Stas Kolenikov wrote

Re: [R] polychoric correlation: issue with coefficient sign

Thank you so much for all your answers! And sorry for being scarce on the details. My dataset has 12 variables (6 ordinal coded from 1 to 5, and 6 binary) and 384 cases without missing value. High values mean 'positive' attitude toward the object of study. I probably went too fast in my earlier i

[R] polychoric correlation: issue with coefficient sign

itive coefficient? What does it mean for the rest of the coefficients, should i trust them? I have to say I'm new to R and not very strong in statistics, I hope I haven't posted a stupid question... cheers, Dorothee -- View this message in context: http://www.nabble.com/polychoric-correlatio