Choice of Kernel Order in Density Estimation
密度估计中的核阶数选择AI 解读 ↓
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密度估计中的核阶数选择AI 解读 ↓
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The selection of the order, i.e., number of vanishing moments, of the kernel in a kernel density estimator is considered from two points of view. First, theoretical properties are investigated by a mean integrated squared error analysis of the problem. Second, and perhaps more importantly, cross validation is proposed as a practical method of choice, and theoretical backing for this is provided through an asymptotic optimality result.
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