Imaginez mes données d'entrée:Pandas dataframe - multi-index pour les lignes et les colonnes?
data = [("France", "Paris", "Male", "1"),
("France", "Paris", "Female", "6"),
("France", "Nice", "Male", "2"),
("France", "Nice", "Female", "7"),
("Germany", "Berlin", "Male", "3"),
("Germany", "Berlin", "Female", "8"),
("Germany", "Munchen", "Male", "4"),
("Germany", "Munchen", "Female", "9"),
("Germany", "Koln", "Male", "5"),
("Germany", "Koln", "Female", "10")]
Je voudrais le mettre dans une trame de données comme ceci:
Country City Sex
Male Female
France Paris 1 6
Nice 2 7
Germany Berlin 3 8
Munchen 4 9
Koln 5 10
La première partie est facile:
df = pd.DataFrame(data, columns=["country", "city", "sex", "count"])
df = df.set_index(["country", "city"])
Donne me sortie:
sex count
country city
France Paris Male 1
Paris Female 6
Nice Male 2
Nice Female 7
Germany Berlin Male 3
Berlin Female 8
Munchen Male 4
Munchen Female 9
Koln Male 5
Koln Female 10
Donc les lignes sont ok, mais maintenant je voudrais mettre les valeurs de la colonne 'sex' dans une colonne multi-index. Est-il possible de le faire, si oui, comment?