The package RLImatrices contains baseline coefficient matrices utilized by the function rliSGP for calculation of student growth percentiles and percentile growth trajectories using historical data.
install.packages("devtools")
require(devtools)
install_github("CenterForAssessment/RLImatrices")
require(RLImatrices)
To install from Github you might need: Windows: Rtools (http://cran.r-project.org/bin/windows/Rtools/), OS X: xcode (from the app store), Linux: apt-get install r-base-dev (or similar).
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.