交叉核实
- 网络Cross-validation;cross validate;cross validation;cross check
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本研究样本交叉核实国外预测最大摄氧量N-EX回归模型,SE1值较高,说明国外预测最大摄氧量N-EX回归模型不适合我国人群。
Cross-validation of foreign N-EX regression model with the present sample results in higher SE1 values , which shows N-EX regression model is not fit for domestic people .
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在混合相依样本的条件下,基于非参数核回归估计方法来研究收益率的波动性,利用改良的交叉核实函数选取光滑参数,并给出上海和深圳股市实证分析的一些有趣结果。
Under mixing conditions , this paper gives kernel regression estimation of the volatility of the stock return by improving cross-validation function on choosing smooth parameters . Its application has been tried in Shanghai and Shenzhen stock markets in China , giving some interesting results .
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这些数据均可在无需付出太大努力的情况下,得到验证及交叉核实。
All these can be verified and cross-referenced without much effort .
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讨论了半参数模型核光滑估计的两种方法,即偏核光滑估计与偏残差估计,通过构造核估计广义交叉核实函数自动选取窗口参数。
Two methods of kernel smoothing in semiparametric regression model are studied that one is related to partial kernel smoothing and the other to partial residual .