我还在学习Python,因此我需要一些帮助,我有以下数据。
Product | No_unit_tested | Yield
A |1 |0.320
A |4 |0.780
B |5 |0.900
C |3 |0.670
C |7 |0.540
D |7 |1.000
D |9 |0.800
我想产生以下结果:
Product |No_unit_tested |Yield |Mean
A |1 |0.320 |0.550
A |4 |0.780 |0.550
B |5 |0.900 |0.900
C |3 |0.670 |0.605
C |7 |0.540 |0.605
D |7 |1.000 |0.900
D |9 |0.800 |0.900
通过使用 df = df.groupby('Product')['Yield'].mean()
我设法得到每个产品的平均数,但我无法得到我想要的结果。我如何在Python中使用pandas来做?