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likelihood ratio test

What Are Nested Models?

by Karen Grace-Martin Leave a Comment

Pretty much all of the common statistical models we use, with the exception of OLS Linear Models, use Maximum Likelihood estimation.

This includes favorites like:

  • All Generalized Linear Models, including logistic, probit, beta, Poisson, negative binomial regression
  • Linear Mixed Models
  • Generalized Linear Mixed Models
  • Parametric Survival Analysis models, like Weibull models
  • Structural Equation Models

That’s a lot of models.

If you’ve ever learned any of these, you’ve heard that some of the statistics that compare model fit in competing models require [Read more…] about What Are Nested Models?

Tagged With: covariance parameters, deviance, fixed effect, likelihood ratio test, linear mixed model, linear model, Model Building, nested models

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