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Multiple group CFA with categorical i... |
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gibbon lab posted on Friday, April 29, 2011 - 12:31 pm
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Dr. Muthen, I am running a two group CFA with two factors where one factor has two categorical indicators and the other one has three categorical indicators. The 5 indicators are all ordinal categorical. My code is: USEVARIABLES ARE x1 x2 x3 x4 x5 sex; categorical are x1 x2 x3 x4 x5; grouping is sex(1=m 2=f); ANALYSIS: TYPE=meanstructure; MODEL: y1 by x1 x2 x3; y2 by x4 x5; I got this message "THE STANDARD ERRORS OF THE MODEL PARAMETER ESTIMATES COULD NOT BE COMPUTED. THE MODEL MAY NOT BE IDENTIFIED. CHECK YOUR MODEL. PROBLEM INVOLVING PARAMETER 28." I checked the tech 1 output, parameter 28 is the alpha for y2. What should I do? Thanks. |
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