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checkpoint (version 0.4.1)
Install Packages from Snapshots on the Checkpoint Server for
Reproducibility
Description
The goal of checkpoint is to solve the problem of package
reproducibility in R. Specifically, checkpoint allows you to install packages
as they existed on CRAN on a specific snapshot date as if you had a CRAN time
machine. To achieve reproducibility, the checkpoint() function installs the
packages required or called by your project and scripts to a local library
exactly as they existed at the specified point in time. Only those packages
are available to your project, thereby avoiding any package updates that came
later and may have altered your results. In this way, anyone using checkpoint's
checkpoint() can ensure the reproducibility of your scripts or projects at any
time. To create the snapshot archives, once a day (at midnight UTC) Microsoft
refreshes the Austria CRAN mirror on the "Microsoft R Archived Network"
server (). Immediately after completion
of the rsync mirror process, the process takes a snapshot, thus creating the
archive. Snapshot archives exist starting from 2014-09-17.