我有下面的数据集。我想要获取等于1的生存百分比。
Survived Name
0 0 Braund, Mr. Owen Harris
1 1 Cumings, Mrs. John Bradley (Florence Briggs Th...
2 1 Heikkinen, Miss. Laina
3 1 Futrelle, Mrs. Jacques Heath (Lily May Peel)
4 0 Allen, Mr. William Henry
5 0 Moran, Mr. James
6 0 McCarthy, Mr. Timothy J
7 0 Palsson, Master. Gosta Leonard
8 1 Johnson, Mrs. Oscar W (Elisabeth Vilhelmina Berg)
9 1 Nasser, Mrs. Nicholas (Adele Achem)
我知道我可以通过以下命令获取值:
train_df.loc[train_df['Survived'] == 1].shape[0] / train_df.shape[0]
但我正在寻找更好的解决方案。有没有更简单的方法可以做到这一点?
最佳答案
使用pd.Series.mean
df.Survived.mean()
0.5