install.load (version 1.0.3)
Check, Install and Load CRAN & USGS GRAN Packages
Description
Checks the local R library(ies) to see if the required
package(s) is/are installed or not. If the package(s) is/are
not installed, then the package(s) will be installed along with
the required dependency(ies). This function pulls source or
binary packages from the Revolution Analytics CRAN mirror and/or
the USGS GRAN Repository. Lastly, the chosen package(s)
is/are loaded.