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Zero cells in path analysis
Structural Equation Modeling
posted on Wednesday, April 29, 2015 - 12:16 pm
Both my outcome variable Y and the covariate X are dichotomous. There is one cell in the 2X2 table that is equal to zero. The chi-square is significant.
But when I run the path model that includes Y on X (and some other variables), X is not significant and I think this is because of the zero cell. Is that correct.
Conceptually, I need this variable in the model. What can I do?
Bengt O. Muthen
posted on Wednesday, April 29, 2015 - 5:53 pm
I don't think you want a zero cell for 2 such important variables in your model. I can only think of gathering a larger sample, or say that questions regarding the X impact cannot be answered in this sample.
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