regression diagnosis是什么意思_regression diagnosis中文

regression diagnosis中文什么意思

regression: n. 1.复归，回归。 2.退步，退化。 3.【天文学】 ...
diagnosis: n. (pl. -ses ) 1.诊断。 2.【生物学】 ...
regression: n. 1.复归，回归。 2.退步，退化。 3.【天文学】退行。 adj. -sive ,-sively adv.
at diagnosis: 在诊断时
diagnosis: n. (pl. -ses ) 1.诊断。 2.【生物学】(分类学上的)特征简述。 3.调查分析，判断。 mistake in diagnosis 误诊。 form a correct diagnosis on [upon] a disease 确诊。

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Abstract : for the linear weighted regression model , influence measure of covariance matr ix perturbation and estimate efficiency of regression parameter have been analyz ed on the basis of the regression diagnosis , and the lower bounds of the two eff iciencies have been given
文摘:针对线性加权回归模型，从统计诊断的角度分析了协方差阵扰动的影响度量和回归系数的估计效率，并给出了2种效率的下界
Based on the least squares and biased estimation especially ridge estimation , a new estimation , that is , generalized ridge estimation is put forward through studies on restriction of the parameter . model ' s prediction being considered , comparison of superiority of optimal and classical predictions with respect to the ridge estimation is showed . regression diagnoses especially distance for principal components estimation is discussed
论文基于最小二乘估计及有偏估计特别是岭估计，对参数的约束条件做了进一步研究，并提出一种新型估计即广义岭型估计；对模型的点预测问题进行深入探索，得出一种基于岭估计关于经典预测和最优预测的最优性判别条件；也对回归诊断特别是基于主成分估计的距离进行了深入探讨。

regression diagnosis中文什么意思