Node Degree Frame

>>> from techminer2.packages.networks.citation.sources import NodeDegreeDataFrame
>>> (
...     NodeDegreeDataFrame()
...     #
...     # UNIT OF ANALYSIS:
...     .having_terms_in_top(30)
...     .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                                   Symmetry 1:176       7
1     1  Journal of Management Information Systems 2:696       5
2     2               Sustainability (Switzerland) 2:150       5
3     3          Journal of Economics and Business 3:422       4
4     4                         Electronic Markets 2:287       4