mean:
rewards (before) -1.126199 rewards (after) 2.309025 dtype: float64
median:
rewards (before) -0.655964 rewards (after) 2.878588 dtype: float64
mean:
rewards (before) -1.126199 rewards (after) 2.309025 dtype: float64
median:
rewards (before) -0.655964 rewards (after) 2.878588 dtype: float64