This paper analyzes the difference between industries and convergence within industry of financial ratios for listed firms in China based on a non-parametric approach.
本文采用非参数方法对中国上市公司财务比率在行业间的差异性和行业内的收敛性进行了检验。
Taking into account the multi channels disturbance and noises with the non stationary characteristic, time delay estimation based on adaptive parametric approach is proposed.
在考虑多通道非平稳信号干扰及背景噪声的情况下，提出了基于自适应参数型时间延时估计方法。
This paper proposes a rough evolutionary approach to non parametric system identification.
提出了一种用于非参数系统辨识的粗糙进化方法。
Objective Propose a method that combines the propensity score approach and non-parametric survival analysis for hazard ratio estimation in non-randomized medical researches.
目的提出一种适用于非随机化医学研究的，结合倾向指数与非参数生存分析估计风险比的方法。
An approach for refined parametric 3d non-linear analysis of semi-rigid steel beam-column connections of top-seat-angle with double web-angle is presented.
对采用带双腹板角钢、顶底角钢连接的半刚性钢梁柱连接节点进行了三维非线性有限元分析。
An approach for refined parametric 3d non-linear analysis of semi-rigid steel beam-column connections of top-seat-angle with double web-angle is presented.
对采用带双腹板角钢、顶底角钢连接的半刚性钢梁柱连接节点进行了三维非线性有限元分析。
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