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This R package provides an implementation of the GEE method for estimating multinomial probabilties for clustered data, for independent and exchangeable correlation structure.

Landsman V., Landsman D., Li C.S., Bang H. Overdispersion models for correlated multinomial data: Applications to blinding assessment. Statistics in Medicine. 2019; 38: 4963– 4976. https://doi.org/10.1002/sim.8344

There are a few methods available for installing the package. You need to have thedevtools package installed to use these methods:

> install.packages('devtools')

Use theinstall_github method from devtools to install directly from this repository:

>devtools::install_github('https://github.com/Express50/omgee')

Download the latest released .tar.gz file from theReleases page into an empty folder. Then, navigate to the location of the file in your command line, and run the following from an R shell:

>devtools::install('.',dependencies=TRUE)

You can also build the code yourself by cloning the repository and usingR CMD BUILD. Make sure to install therootSolve dependecy before installingomgee, by runninginstall.packages('rootSolve')

> git clone https://github.com/Express50/omgee omgee> R CMD build omgee> R CMD INSTALL omgee_1.0.tar.gz