To install this R library in RStudio:

1. Download the file 'NGlm_1.0.tar.gz'
2. Navigate to bottom right panel in R Studio.
3. Select the 'Packages' tab.
4. Click 'Install'.
5. Change the 'Install from:' option to 'Package Archive File'.
6. Navigate to where you downloaded the tar.gz file and install this file.

This may require you to first install the 'R-tools' package, R will prompt you to do this if required. Once installed type the following in the R console to retrive the documentation/help file:

library(NGlm) help(NGlm)