On this page
pandas.Series.first
Series.first(offset)
[source]-
Convenience method for subsetting initial periods of time series data based on a date offset.
Parameters: offset : string, DateOffset, dateutil.relativedelta Returns: subset : type of caller Examples
ts.first(‘10D’) -> First 10 days
© 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.first.html