andrie / Minicran
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miniCRAN 
Create a mini version of CRAN containing only selected packages
Introduction
At the end of 2014, CRAN consisted of more than 6,000 packages, and by 2017 this number doubled to more than 12,000. Many organisations need to maintain a private mirror of CRAN, but with only a subset of packages that are relevant to them.
The miniCRAN package makes it possible to create an internally
consistent repository consisting of selected packages from CRAN-like
repositories. The user specifies a set of desired packages, and
miniCRAN recursively reads the dependency tree for these packages,
then downloads only this subset.
Important functions:
| Function | Use it for |
|---|---|
pkgDep() |
Find package dependencies |
makeRepo() |
Make repository (with or without downloading packages) |
addPackage() |
Add additional packages (and their dependencies) to existing repository |
updatePackages() |
Update the versions of packages currently in the repository |
Installation:
Get the stable version from CRAN:
install.packages("miniCRAN")
library("miniCRAN")
Development version
Get the latest development version from github:
# Use `devtools` to install directly from github
library(devtools)
install_github("andrie/miniCRAN")
Example:
# Determine and download the packages `ggplot2`, `plyr` and `reshape2`,
# including their dependencies:
library("miniCRAN")
pkgs <- c("ggplot2", "plyr", "reshape2")
makeRepo(pkgDep(pkgs), path = file.path(tempdir(), "miniCRAN"))
Supported by Microsoft
I started this project while employed by Revolution Analytics and Microsoft. Microsoft has kindly agreed that I maintain the project individually, and retains copyright to all work on the project until October 2017.