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?qū)颖军c用圖表示，并且給出最擬合樣本點的直線的價值函數(shù)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(shù)據(jù)預(yù)測時，結(jié)合模式匹配，得出小樣本空間，以基于小樣本的回歸預(yù)測方法代替數(shù)據(jù)曲線趨勢判斷方法，以期得到更佳的預(yù)測結(jié)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(shù)學(xué)公式，以指定的精度擬合相關(guān)變量的有限樣本，以便于分析和預(yù)測。