Description Usage Value Author(s) References See Also
The acs.fetch
function requires an "API key" to use when
downloading data from the US Census API. Rather than pass this rather
long string to the function each time, users can save the key as part of
the package installation, using the api.key.install
function.
Once installed, an api key is saved on the system and available for use
in future sessions. (To replace a key, simply call the function again
with the new key.)
During the update process, this key may be lost or left in the wrong
location. A call to api.key.migrate()
can help restore an
archived key, if found.
1 |
Migrates the key (if found) and exits silently; return an error if no archived key is found.
Ezra Haber Glenn eglenn@mit.edu
To request an API key, see http://www.census.gov/developers/
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