linear regression model短语¹³¹⁶²⁰⁺³ 基本例句 线性回归模型 Methods: We introduce the concept of robustness measure and efficiency of an estimator, then use LMS-based M estimator and reweightedleast squares estimator to fit the linear regression model. 方法:介绍了估计的稳健性尺度和有效性的概念,采用基于 LMS估计的 M估计及加权最小二乘估计做稳健回归。 cnki