pandas: Convert Series of DataFrames to single DataFrame

Try using pd.concat. At the very least, pd.concat(series.values.tolist()) should work.

Its default is to take a list of pandas dataframes or series and return them tacked end on end. http://pandas.pydata.org/pandas-docs/stable/merging.html

python pandas append

Concatenate results and ignore your index while doing so:

df_stacked = pd.concat([r for r in results], ignore_index=True)

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