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--- title: "README" author: "ddd" date: "March 19, 2017" output: pdf_document --- ```{r setup, include=FALSE} knitr::opts_chunk$set(echo = TRUE) ``` ## multicmp multicmp is a toolkit containing statistical analysis models motivated by multivariate forms of the Conway-Maxwell-Poisson (COM-Poisson) distribution for flexible modeling of multivariate count data, especially in the presence of data dispersion, via the bivariate COM-Poisson distribution described in [Sellers et al. (2016)](http://dx.doi.org/10.1016/j.jmva.2016.04.007). Currently the package only supports bivariate data. Future development will extend the package to higher-dimensional data. Note that multicmp references _bivpois_ package (Karlis and Ntzoufras). To use multicmp, one will first need to install the following two packages: ```R install.packages("numDeriv") install.packages("stats") ```` One can install the latest released version of multicmp from CRAN with: ```R install.packages("multicmp") ```` ## Using multicmp To get started with multicmp right away, see the parameter estimation below. For a more detailed and technical description of the bivariate COM-Poisson distribution, see [Sellers et al. (2016)](http://dx.doi.org/10.1016/j.jmva.2016.04.007). The multicmp package houses the _accidents_ data set (Arbous and Kerrich, 1951) ```{r, echo=FALSE} # helper loading to be hidden library(numDeriv) load("data/accidents.rdata") source('R/multicmpests.R') ```` ```R data(accidents) ```` ```{r} multicmpests(accidents) `````
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