Statistics

>>> from techminer2.database.tools import Statistics
>>> (
...     Statistics()
...     #
...     .with_field("raw_author_keywords")
...     #
...     .where_root_directory_is("example/")
...     .where_database_is("main")
...     .where_record_years_range_is(None, None)
...     .where_record_citations_range_is(None, None)
...     #
...     .run()
... ).head()
                     conference_code                ...    year
                               count      mean std  ...     50%     75%     max
raw_author_keywords                                 ...
ACTOR_NETWORK_THEORY             0.0       NaN NaN  ...  2016.0  2016.0  2016.0
ACTUALIZATION                    0.0       NaN NaN  ...  2019.0  2019.0  2019.0
ADOPTION                         0.0       NaN NaN  ...  2019.0  2019.0  2019.0
AGRICULTURE                      1.0  144694.0 NaN  ...  2019.0  2019.0  2019.0
AGROPAY                          1.0  144694.0 NaN  ...  2019.0  2019.0  2019.0

[5 rows x 56 columns]