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regression algorithm中文是什么意思

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  • Some preceding rain factors were list, then stepwise regression algorithm was employed to select the obvious factors from the list as the input of the bp networks . and the trial-and-error method is employed to define the number of the hidden layer nodes
    论文列出若干个前期降雨量因子,利用逐步回归算法从中挑选出影响因素大的作为网络的输入,通过“试错法”确定隐节点数。
  • The real runoff time series was divided into the high frequency item and the low frequency item with the help of the wavelet analysis first, then the two items were modeled by chaos theory and the stepwise regression algorithm, at last the output of the two models were added together .
    论文首先借助小波分析,将实测径流时间序列分解为高频项和低频项两项,其次对这两项分别用混沌理论和逐步回归理论建模,其中混沌预报借助基于自组织法求解的的volterra级数来完成,然后将两者结果叠加起来。
  • In case of high input dimension system model, taking norm of input vector as the input of wavelet network instead of using tensor product method to construct wavelet network, which could solve the problems of high computation and curse of dimensionality . in the selecting of specific wavelet basis, this thesis first gets initial wavelet basis collection according to spectrum analysis, then gives the least squares regression algorithm to optimize wavelet basis collection based on the least estimation error criteria, which could also initialize the model parameters and increase the speed of convergence
    对于具体的模型小波基函数选择,本文首先对样本数据进行时频域分析,根据小波基函数时频空间覆盖样本时频空间的原则,在小波框架中选择建模所用的函数集,然后根据估计误差最小准则,给出最小二乘回归优选算法以进一步优化小波基函数集。
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Last modified time:Mon, 18 Aug 2025 00:29:56 GMT

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