Data Frame

>>> from techminer2.database.metrics.collaboration import DataFrame
>>> (
...     DataFrame()
...     #
...     # FIELD:
...     .with_field("countries")
...     .having_terms_in_top(20)
...     .having_term_occurrences_between(None, None)
...     .having_term_citations_between(None, None)
...     .having_terms_in(None)
...     #
...     # DATABASE:
...     .where_root_directory_is("example/")
...     .where_database_is("main")
...     .where_record_years_range_is(None, None)
...     .where_record_citations_range_is(None, None)
...     .where_records_match(None)
...     #
...     .run()
... ).head()
               OCC  global_citations  ...  multiple_publication  mp_ratio
countries                             ...
United States   16              3189  ...                     8      0.50
China            8              1085  ...                     5      0.62
Germany          7              1814  ...                     3      0.43
South Korea      6              1192  ...                     2      0.33
Australia        5               783  ...                     4      0.80

[5 rows x 6 columns]