讨论用QR分解拟合回归方程时，参数估计和剩余的迭代加细算法。
Algorithms for iteratively refining the parameter estimates and residuals from the fitting of a regression model using QR decomposition are described.
编制了程序，能自动拟合回归方程。并进行方差分析和回归效果的显著性检验；
The program designed may imitate the . regression equation automatically, engage in variance analysis and significance test for regression effects.
把电学量传感器测量物理量的范围，平分二段，分别建立拟合回归方程，并用电路实现之。
The measuring range of electric quantity sensor is divided into two parts, the regressive equations are respectively set up and realized it using circuits.
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