Unnest PatentsView dataSource:
This function converts a single data frame that has subentity-level list columns in it into multiple data frames, one for each entity/subentity. The multiple data frames can be merged together using the primary key variable specified by the user (see the relational data chapter in "R for Data Science" for an in-depth introduction to joining tabular data).
The data returned by
search_pv. This is the first element of the three-element result object you got back from
search_pv. It should be a list of length 1, with one data frame inside it. See examples.
The column/field name that will link the data frames together. This should be the unique identifier for the primary entity. For example, if you used the patents endpoint in your call to
search_pv, you could specify
pk = "patent_number". This identifier has to have been included in your
fieldsvector when you called
search_pv. You can use
get_ok_pkto suggest a potential primary key for your data.
A list with multiple data frames, one for each entity/subentity.
Each data frame will have the
pk column in it, so you can link the
tables together as needed.