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Usage: mxCompare(base, comparison, digits = 3)
base: An MxModel object or list of MxModel objects.
comparison: A MxModel object or list of MxModel objects.
digits: A numeric setting table decimal precision.
This function is provided to allow the user to compare the fit of one or more models to a base model.
The output is a table with one row per model comparison as follows:
|Name of the base model||Name of the comparison model||Estimated parameters of the comparison model||Minus 2*log-likelihood of the comparison model||Degrees in freedom of the comparison model||Akaike's Information Criterion for the comparison model||Change in minus 2*log-likelihood||Change in degrees of freedom||Significance level of the change in fitness function|