PeriodIndex可理解为时间段,periods = pd.PeriodIndex(year = data["year"],month = data["month"],day = data["day"],hour = data["hour"],freq = "H)
1. Example 1 绘制出五个城市的PM2.5随时间变化的情况
PeriodIndex可理解为时间段,periods = pd.PeriodIndex(year = data["year"],month = data["month"],day = data["day"],hour = data["hour"],freq = "H)
1. Example 1 绘制出五个城市的PM2.5随时间变化的情况