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Hello there. Does anyone know if there is any way to use the 'factoran' function in MATLAB to perform a Confirmatory Factor Analysis? Thank you so much and best wishes.

I have two variables: X1 ~ Poi (λ1) and X2 ~ Poi (λ2), with n1 = n2. How can I use a likelihood ratio test to test the null hypothesis H0: λ1 = λ2?

I am analyzing an interaction effect between two continuous independent variables (Z and X) on a continuous dependent variable (Y). I have conducted both, a moderated multiple regression analysis and a two-way ANOVA (spliting each predictor at its median), obtaining different results. Using...