pandas.Series.last_valid_index

Series.last_valid_index() [source]: Возвращает метку для последнего ненулевого/не-NA значения.

© 2008–2012, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.Series.last_valid_index.html