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Indicator order for latent variable |
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Why does the order of indicators alter the regression of the latent variable on an independent variable? Example. 1st arbitrary indicator order: Estimate S.E. Est./S.E. Pval METS BY ZTG 1.000 0.000 999.000 999.000 ZHDL -0.623 0.126 -4.939 0.000 ZMAP 0.317 0.115 2.747 0.006 ZBMI 0.795 0.161 4.944 0.000 ZGLU 0.600 0.119 5.062 0.000 METS ON APDTIME 0.078 0.037 2.115 0.034 Different arbitrary indicator order: Estimate S.E. Est./S.E. Pval METS BY ZMAP 1.000 0.000 999.000 999.000 ZTG 3.153 1.148 2.747 0.006 ZBMI 2.505 0.900 2.783 0.005 ZHDL -1.965 0.758 -2.593 0.010 ZGLU 1.891 0.732 2.585 0.010 METS ON APDTIME 0.025 0.014 1.714 0.087 Why do the estimates & SEs for APDTIME depend on the order of the indicators? Data & fit indices for both models are identical. The orders of the indicators in both models are arbitrary. So, which (if either) is correct? |
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The order should not matter. Please send the two outputs and your license number to support@statmodel.com. |
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