The method of least squares is applied.

研究方法：采用最小二乘法。

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At multiple regression, we mainly introduce the method of partial least-squares.

在多元回归中，主要介绍偏最小二乘方法。

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At multiple regression, we mainly introduce the method of partial least-squares.

在多元回归中，主要介绍偏最小二乘方法。

youdao