The concept of regression goes back to the mathematician Gauss, who talked about fitting a line through a scatter of points.

回归这个概念要追溯到数学家高斯,讨论的是从若干散点中切合出一条直线

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It's not extensive in the sense that you just have to scatter your stuff over wide fields; that's not what it is.

它不是你泛泛的在宽广的,土地上播种就够了,它并非只是这样

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