[Python] Get a single series of classes instead of one series for each class with pandas in...

I have a DataFrame with 3 column of zeroes and ones corresponding to 3 different classes. I want to get a single series of zeroes, ones, and twos depending of the class of the entry (0 for the first class, 1 for the second one and 2 for the third one):

>>> results.head()
HOME_WINS DRAW AWAY_WINS
ID
0 0 0 1
1 0 1 0
2 0 0 1
3 1 0 0
4 0 1 0


What I want :

>>> results.head()
SCORE
ID
0 2
1 1
2 2
3 0
4 1

Continue reading...