STRONG CONSISTENCY OF THE NEARESTNEIGHBOR ESTIMATES OF NONPARAMETRIC REGRESSION FUNCTIONS

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作者
赵林城
白志东
机构
[1] University of Science and Technology of China Hefei
[2] University of Science and Technology of China
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<正> Let (X, Y), (X1, Y1), …, (X_n, Y_n) be i.i.d. random vector taking values in Rd ×R withE|Y|<∞, and m_n(x) be the nearest neighbor estimate of m(x) = E(Y|X = x). In this pa-per, we establish the strong consistency of m_n(x) under the condition E|Y|' <∞ for somer>1, or E{exp(t|Y|λ)}<∞ for some λ>0 and t>0. However, other conditions imposed on itare all independent of the distribution of (X,Y).
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页码:1027 / 1034
页数:8
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