This paper uses ridge estimation method to solve the potential ill - conditioned problem in semiparametric regression model.

针对半参数回归模型求解过程可能出现的法方程病态问题,提出了用岭估计原则改进半参数模型的求解.

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At present, the main method ill - conditioned problem is normalization, namely constrained conditions are added to it.

目前解决病态的主要方法是正则化方法, 即增加约束条件.

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