Extract item parameter estimates and their covariance matrix from lavaan.
Usage
get_lavaan_pars(lavaan.object)
Arguments
- lavaan.object
an object of class lavaan. Expected to be a 1-factor model estimated with std.lv = TRUE.
Value
A three-element list:
vector of parameter names taking the form "item.parameter"
list (one element per group) of vectors of item parameter estimates
list (one element per group) of covariance matrices of item parameter estimates