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I am assessing cross-sectional repeated measures data using a mixture of linear mixed models (LMM) and Generalized Linear Mixed Models (GLMM). I see in various places that GLMM is used primarily for prediction of outcome variable values. My research is primarily to infer relationships between a set of independent variables and an outcome variable (inference) rather than prediction of values. Is GLMM still appropriate to use with continuous/approximately-continuous outcomes when the goal is inference over prediction?

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    $\begingroup$ Please edit the question to provide more context and to provide links to the references ("various places") that suggest a difference between LMM and GLMM in this regard. It also would help to say more about the substance of your study; sometimes there are ways to analyze all the data together that might be preferable to the separate models you seem to be using. $\endgroup$
    – EdM
    Commented Aug 10 at 21:11
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    $\begingroup$ Is "yes" a detailed enough answer? In my experience, GLMM is used primarily for inference. $\endgroup$
    – wzbillings
    Commented Aug 10 at 22:21
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    $\begingroup$ Seconding @EdM, I am always interested in seeing the links when people read stuff "in various places". I have personally thought about GLMMs as mainly an inferential tool. Where are people saying that it's used primarily for prediction ... ??? $\endgroup$
    – Ben Bolker
    Commented Aug 13 at 13:58

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Yes is good enough. I am using GLMM with robust estimation to compare with LMM results using automated syntax, both with an eye to inferencing the impact of a series of predictors on a series of outcomes. Thank you!

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