Description Usage Arguments Value Author(s) Source See Also Examples
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.
1 | install_load(package1, ...)
|
package1 |
R package. |
... |
Any additional R packages. |
Install and load package1
and other packages listed
in the arguments ...
and all of the dependencies.
maloneypatr, Irucka Embry
Check if R package is installed then load library answered by maloneypatr is the source for the original function. See https://stackoverflow.com/questions/15155814/check-if-r-package-is-installed-then-load-library.
Error Handling in R By Nina Zumel, October 9, 2012, R-Bloggers. See http://www.r-bloggers.com/error-handling-in-r/.
load_package
to only load packages, installed.packages
,
install.packages
1 2 3 4 5 6 7 | ## Not run:
library("install.load")
# This will install, if not already installed, and load the package(s)
install_load("chron")
install_load("chron", "data.table", "dataRetrieval", "EGRET", "dplyr")
## End(Not run)
|
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