Series.dt.is_year_start

pandas.Series.dt.is_year_start

Series.dt.is_year_start

Logical indicating if first day of year (defined by frequency)

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

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