Rather, it builds a model directly from experiential data. 更確切地說,它直接依照經驗數據建立起一個模型。
It should be noted that the regression analysis regression equation is based on historical information, it is a kind of empirical data. 應該注意的是,回歸分析得到的回歸方程是根據歷史資料計算出來的,所以是一種經驗數據。