The superiority of the classical least square method is lost due to the morbid of designed matrix in large-type linear regression analysis.
在大型线性回归分析中，由于设计矩阵的病态使得经典的最小二乘法失去了优良性。
Objective To relax linear assumption of explanatory variable in classical linear model and explore semiparametric regression model.
目的放宽经典线性模型中的解释变量的线性假定和探讨半参数回归分析模型。
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