pkg_test

A character string representing the name of a package.

This is a convenience function that checks whether a package is installed, and if not, installs it.

internal

Functions to automate downloading geospatial data available from
several federated data sources (mainly sources maintained by the US Federal
government). Currently, the package enables extraction from seven datasets:
The National Elevation Dataset digital elevation models (1 and 1/3 arc-second;
USGS); The National Hydrography Dataset (USGS); The Soil Survey Geographic
(SSURGO) database from the National Cooperative Soil Survey (NCSS), which is
led by the Natural Resources Conservation Service (NRCS) under the USDA; the
Global Historical Climatology Network (GHCN), coordinated by National Climatic
Data Center at NOAA; the Daymet gridded estimates of daily weather parameters
for North America, version 3, available from the Oak Ridge National Laboratory's
Distributed Active Archive Center (DAAC); the International Tree Ring Data Bank;
and the National Land Cover Database (NLCD).

R. Bocinsky

FedData

Functions to Automate Downloading Geospatial Data Available from
Several Federated Data Sources

Dylan Beaudette

Scott Chamberlain

pkg_test function

<dl><dt>x</dt>
<dd>A character string representing the name of a package.</dd></dl>

Arguments

Install and load a package. — pkg_test

<dl>

<dt>x</dt>
<dd>A character string representing the name of a package.</dd>

</dl>

pkg_test: Install and load a package.

Description

Usage

Arguments