mp_setapikey: Set the API key for the Manifesto Documents Database.
Description
If you do not have an API key for the Manifesto Documents Database,
you can create one via your profile page on
https://manifesto-project.wzb.eu.
If you do not have an account, you can register on the webpage.
Usage
mp_setapikey(key.file = NULL, key = NA)
Arguments
key.file
file name containing the API key
key
new API key
Details
The key is read from the file specified in key.file. If this
argument is NULL, the key given in the argument key is used.