本文提出的LZ算法，使管理预测中所涉及的多项目回归分析问题，无需采用最小二乘法就能得到解决。

The LZ algorithm presented in this paper makes possible the solution of the multiple regression analysis problems in management prediction without turning to the commonly used method of least squares.

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最后，本文还通过理论分析丛实例演示论证了在这个估计类中，各种回归系数估计有着和其他工作者所得到的相容的结论。

Finally, through the theory analysis and the example demonstration, we prove from this estimate class that we get the results which are interlinked with the results attained by other statisticians.

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此外，本文提出的LQ定理使我们能用相关分析法，通过变量变换，把单因素非线性回归问题，化成线性形成来处理。

Besides, the LQ theorem presented in this paper can be used to change a nonlinear single regression problem to a linear one by means of transformation of variables.

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