DataFrame.first()

pandas.DataFrame.first

DataFrame.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.
http://pandas.pydata.org/pandas-docs/version/0.20.2/generated/pandas.DataFrame.first.html

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