Summary Sheet

>>> from techminer2.database.tools import SummarySheet
>>> result = (
...     SummarySheet()
...     #
...     .where_root_directory_is("example/")
...     .where_database_is("main")
...     .where_record_years_range_is(None, None)
...     .where_record_citations_range_is(None, None)
...     #
...     .run()
... )
>>> result.head(10)
                       column  number of records coverage (%)
0           abbr_source_title                 50      100.00%
1                    abstract                 48       96.00%
2  abstract_nouns_and_phrases                 48       96.00%
3                affiliations                 49       98.00%
4           author_full_names                 50      100.00%
5             author_keywords                 38       76.00%
6                     authors                 50      100.00%
7                  authors_id                 50      100.00%
8   authors_with_affiliations                 50      100.00%
9                       coden                 12       24.00%