Observed Variable Correlation Matrix from a Model and Data
inspectSampleCov.RdThe lavaan model syntax describes a latent variable model. Often, the user wants to see the covariance matrix generated by their model for diagnostic purposes. However, their data may have far more columns of information than what is contained in their model.
Arguments
- model
The model that will be fit by lavaan.
- data
The data frame being used to fit the model.
- ...
Other arguments to
semfor how to deal with multiple groups, missing values, etc.
Details
One must supply both a model, coded with proper model.syntax and
a data frame from which a covariance matrix will be calculated. This function
essentially calls sem, but doesn't fit the model, then uses
lavInspect to get the sample covariance matrix and meanstructure.