sample regression line

基本解釋

How do we think about how well our sample regression line fits our sample data?
我們怎樣衡量我們的樣本回歸線擬合樣本數(shù)據(jù)有多好呢？
dict.cn
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。
The presented method is more accurate for using polynomial regression of theoretical calculated data as sample off-line and is quicker for the reason of its fixed polynomial pattern on-line.
該方法以有限個理論計算數(shù)據(jù)為樣本，采用多項式函數(shù)離線進行回歸，在保證高的逼近精度的前提下，以顯著提高在線計算速度為目的。