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Z scores as factor indicators
Confirmatory Factor Analysis
posted on Friday, August 07, 2009 - 8:16 am
I have a latent variable defined by four indicators. I have taken Z scores because they are measured on quite different scales. Using scores helps convergence.
However, one of the Z scored variables is categorical, which means I get an error message "MOST LIKELY DUE TO VARIABLE Z1 BEING DICHOTOMOUS BUT DECLARED AS CONTINUOUS."
Would you recommend using Z scores for the other three and 1/0 for this variable, or something else?
Linda K. Muthen
posted on Friday, August 07, 2009 - 1:20 pm
I would not use z-scores. I would rescale the continuous variables by dividing by a constant. I would do nothing to the binary variable.
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