On 06/09/2011 05:21 PM, R Help wrote:
Ok, I think this is the last question I have. My model is producing
an estimate of intercepts for my variables along with my loadings.
From the documentation it appears that this is controlled by the
meanstructure option in cfa. It says that setting it to TRUE includes
the intercepts, and setting it to "default" means thatthe value is set
based on the user-specified model, and/or the values of other
arguments. I've included my model specification below, and I would
prefer not to fit intercepts, but setting it to FALSE does not seem to
achieve this.
Several arguments of the cfa() function force meanstructure=TRUE (and
indeed, silently overriding the meanstructure=FALSE option if specified
by the user; perhaps, lavaan should spit out a warning if this happens).
The following argument choices force meanstructure to be TRUE (if there
is only a single group):
- estimator = "mlm" or "mlf" or "mlr"
- missing = "ml" or "fiml"
Did you use any one of those arguments?
But why would you prefer not to fit the intercepts? If there are no
restrictions on the intercepts/means, fitting them should have no effect
on your model fit whatsoever.
Yves Rosseel
http://lavaan.org
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