sample regression function

基本解釋

Regression software programs graph the sample points and give the (cost-function) formula of the straight line that best fits the points.
回歸軟件程序將樣本點用圖表示，并且給出最擬合樣本點的直線的價值函數公式。
Instead of judgement which based on curve trend, we can get better estimate result by use the regression function in that small sample field.
再次，在時序數據預測時，結合模式匹配，得出小樣本空間，以基于小樣本的回歸預測方法代替數據曲線趨勢判斷方法，以期得到更佳的預測結果。
The meaning of symbolic regression is that we are searching for a function that closely matches an unknown expression based on a finite set of sample data, in order to analyze and forecast data.
符號回歸的含義是找出一個符號形式的數學公式，以指定的精度擬合相關變量的有限樣本，以便于分析和預測。