Network Degree Frame

>>> from techminer2.packages.networks.coupling.countries  import NodeDegreeDataFrame
>>> (
...     NodeDegreeDataFrame()
...     #
...     # UNIT OF ANALYSIS:
...     .having_terms_in_top(20)
...     .having_citation_threshold(0)
...     .having_occurrence_threshold(2)
...     .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()
   Node                    Name  Degree
0     0         Germany 07:1814      11
1     1  United Kingdom 03:0636       8
2     2     Netherlands 03:0300       8
3     3         Denmark 02:0330       8
4     4           China 08:1085       7