retrography
7/13/2015 - 4:14 PM

GROUP BY for strings in Python Pandas

GROUP BY for strings in Python Pandas

groupby.py
content_copyfile_download
from pandas import DataFrame as df
import pandas as pd

lics = pd.read_csv("/Users/Mah/Temp/csvdb/license-union-norownum.csv")

licsgr = lics.groupby('gem')['license'].apply(list)
licsgr.columns = ['gem', 'licenses']

# But how do we convert Series to DataFrame in Pandas?