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 |
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Returns: | subset : type of caller |
ts.first(‘10D’) -> First 10 days
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Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.Series.first.html