Displaying 1 result from an estimated 1 matches for "wlsmv".
2013 Jan 23
2
CFA with lavaan or with SEM
...e lavaan package to run a CFA however I am unsure over a couple of issues.
I have @25 dichotomous variables, 300 observations and an EFA on a training dataset suggests a 3 factor model.
After defining the model I use the command
fit.dat <- cfa(model.1, data=my.dat, std.lv = T, estimator="WLSMV", ordered=c("var1","var2" and so on for the other 23 variables))
Is it right that I define the variables as ordered (the output returns thresholds suggesting I should). Does the cfa command calculate tetrachoric correlations in the background?
However, output for the comm...