The NG-CHM R package can be installed from CRAN:
install.packages('NGCHM')
The NGCHMSupportFiles can be installed from our R-Universe repository:
install.packages('NGCHMSupportFiles', repos = c('https://md-anderson-bioinformatics.r-universe.dev', 'https://cloud.r-project.org'))
There is also a Docker image, ngchm/rstudio-ngchm, containing RStudio, the NGCHM-R package, and all needed dependencies available on Docker Hub.
The YouTube Video, How to Create Next-Generation Clustered Heat Map in R Studio details usage of the Docker image. Further installation and usage information is available in this the RStudio NGCHM GitHub project.