pandas.Series.to_frame
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Series.to_frame(name=None)[source]
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Convert Series to DataFrame Parameters: name : object, default None The passed name should substitute for the series name (if it has one). Returns: data_frame : DataFrame 
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Licensed under the 3-clause BSD License.
    https://pandas.pydata.org/pandas-docs/version/0.20.3/generated/pandas.Series.to_frame.html