Multilabel accuracy based on: https://stats.stackexchange.com/questions/12702/what-are-the-measure-for-accuracy-of-multilabel-data#answer-168952

Multilabel_accuracy

def accuracy_multilabel(pred, ground_truth):
    n = len(pred)
    score = 0.0
    for i in range(0,n):
        d = {}
        for label in pred[i]:
            d[label] = 1
        for label in ground_truth[i]:
            if label in d:
                d[label] = 2
            else:
                d[label] = 1
        temp = 0
        for ky in d.keys():
            if d[ky] == 2:
                temp = temp+1
        score = score + float(temp)/len(d.keys())
    return score/n