Questions tagged [geepack]

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Are the Estimates in geeglm standardized coefficients? How to check or get them in a longitudinal model?

I am performing a longitudinal data analysis with the generalized estimating equation and I've been asked to confirm whether the Estimates from geepack::geeglm ...
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1answer
245 views

How to assess GEE quality and fit, e.g. by residuals(?)

In contrast for generalized linear models (for GLM, there is e.g. AIC and null vs. residual deviance), I could not find such criteria implemented in R to judge my generalized equation (GEE) models. Is ...
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14 views

How to specify a (e.g. GEE) model for subjects and longitudinal observation **with data on 2 eyes**

I have the following study: $n$ patients with data on usually both eyes. A disease can affect either eye (usually one, but can be both simultaneously), at any time, i.e. in January left eye affected, ...
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56 views

Do unequal time intervals for waves parameter in gee analysis matter? (geeglm in R)

Consider a standard study of n patients (given as id variable), several time points of measurement (given as measurement.order), ...
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29 views

Regression trees with geepack package

I can’t run regression trees without geeglm. I have longitudinal data so rpart wouldn’t work. Is there a way to get regression trees with geeglm?
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269 views

Model validation with GEE-GLM

I am trying to find some resources on model validation for GEE-GLMs. Unfortunately I can't afford to purchase expensive textbooks and many of the books address GEEs using other software such as Stata. ...