comparison of superiority meaning in English

劣等比较

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。