研究了带有约束的均值漂移和方差加权的混合非线性回归模型．得到了相应的一阶和二阶诊断统计量。
We study restriction of Nonlinear Regression Diagnostic Models with case-weights and meanshifte simultanously, and some new diagnostic statistics are derved.
基于不完全数据顺序统计量，提出一种不完全数据回归分析方法。
Based on the order statistics of incomplete data, a regression analysis method for incomplete data is presented.
目的：比较用于处理包含未检出值的痕量测定数据的次序统计量回归方法与经典替换方法的估计效果。
Objective: the purpose of this study was to compare the performance of regression on order statistics(ROS) and substitution methods in estimation of nondetects.
结果：在数据服从正态和对数正态分布时，次序统计量回归效果明显优于简单替换法；资料服从非正态分布资料时，次序统计量回归方法没有明显优势。
Objective: the purpose of this study was to compare the performance of regression on order statistics(ROS) and substitution methods in estimation of nondetects.
在此基础上导出了带约束非线性回归模型度量影响的诊断统计量及其曲率表示。
By the curvature measures, the diagnostic statistics of measuring influence in nonlinear regression with restriction are obtained in terms of curvature arrays.
在此基础上导出了带约束非线性回归模型度量影响的诊断统计量及其曲率表示。
By the curvature measures, the diagnostic statistics of measuring influence in nonlinear regression with restriction are obtained in terms of curvature arrays.
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