[character(1+)]
one or several strings to match the titles of the journals
qtype
[character(1)]
in:
* "exact" full title must be exactly to provided name,
* "contains" the provided name must appear anywhere in the
title of the journal,
* "starts" the provided name must appear at the start of
title of the journal.
key
[character(1)]
a character string containing the API key or NULL
(see Details section on how to specify it)
Value
Returns a data frame:
title [character(1)]
the name of the journal
provided_issn [character(1)]
the ISSN you provided in your query (might differ from the
ISSN returned by the API)
issn [character(1)]
the ISSN of the journal
Details
There are several ways to provide your API key.
The best way to know about them is to refer to the vignette about
"Setting Up Your API key" accessible with the following command:
vignette("setting_up_api_key", package = "rromeo").
You can also use rr_auth that will use the provided key to store it as
an environmental variable.