Dear David,
There's nothing wrong with what you did: You've fit the independence model and
a one-factor CFA model as I believe you intended. It's unnecessary to fit the
first model because sem() computes the chisquare for the independence model in
any event, and (as the message printed by speci
Hi all,
I'm new to sem package and sem analyses, so this is probably very basic,
although I was not able to solve it myself reading some other similar
posts. I was trying to specify a structural equation model using a
correlation matrix of three variables. The correlation matrix comes from a
mixed
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