regression line

常見例句

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
What Gauss did was said, let's fit a line through the point-- the scatter of points--and that's called the regression line.
高斯說,做這樣的一條直線,切合所有散點(diǎn),這就是回歸直線
If the observations used in the analysis extend back in time for several years, the resulting regression line may be too steep.
如果在分析中使用的觀察值擴(kuò)大到幾年以前，那么推導(dǎo)出的回歸直線就會(huì)可能太懸殊。

What Gauss did was said, let's fit a line through the point-- the scatter of points--and that's called the regression line.
高斯說,做這樣的一條直線,切合所有散點(diǎn),這就是回歸直線
耶魯公開課 - 金融市場課程節(jié)選
That's called the regression line and the intercept is called alpha--there's alpha.
這就是回歸直線,這個(gè)是截點(diǎn),用alpha表示...這里是alpha
耶魯公開課 - 金融市場課程節(jié)選
The concept of regression goes back to the mathematician Gauss, who talked about fitting a line through a scatter of points.
回歸這個(gè)概念要追溯到數(shù)學(xué)家高斯,討論的是從若干散點(diǎn)中切合出一條直線
耶魯公開課 - 金融市場課程節(jié)選

R2 is most often seen as a number between 0 and 1, used to describe how well a regression line fits a set of data.
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He knows this because he has actual data on sales (available from Amazon) and the sales rank, and he knows how to plot a regression line in Excel.
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An R2 near 1 indicates that a regression line fits the data well, while an R2 close to 0 indicates a regression line does not fit the data very well.
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