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本页整理公开书目信息,不生成学术质量评分。AI 解读根据题名及所注明的摘要或原文片段生成,未完成全文核验,可能有误;具体假设、证明与结论请核对原文。摘要保留来源文本,未经模型改写。

DOI 首次登记不等于接收或发表日期。部分更正、评论等条目没有独立摘要;缺少可靠材料时保留待补状态。

引用量采用 OpenAlex 单条关联记录,不合计多个记录;关联记录可能包含正式发表版本,不等于此版本单独引用。缺失不视为零,引用指标不代表论文质量。

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分类依据与纠错

AI 根据所提供的论文材料归类:摘要直接研究回归水平及导数的变化点,并以尼罗河年度流量序列示例,最接近结构变化方向。

反馈分类问题

正在核对关联版本…

代码、数据与补充材料

正在核对对应版本的资源…

关注这篇论文的作者
Hans-Georg Muller

非参数回归分析中的变化点

研究问题
在其余部分平滑的回归曲线中,如何估计跳跃的位置与大小,并检测斜率或更高阶导数的变化点?
方法与思路
作者比较左右单侧核平滑量,通过局部差分过程的高斯弱极限与连续映射定理分析变化点估计的渐近行为。
材料陈述的贡献
摘要称,得到位置估计的渐近分布与收敛率,并证明适应估计变化点的曲线估计具有与位置已知时相同的收敛率。
阅读关注点
应核对曲线平滑性、跳跃强度、核与带宽条件,以及位置收敛速度和已知变化点等价结论所需的具体限制。
阅读边界
所据为版本未注明的 OpenAlex 索引摘要;完整条件和具体速率未提供,不能把典型快于平方根样本量的结果视为无条件保证。

原文摘要

Estimators for location and size of a discontinuity or change-point in an otherwise smooth regression model are proposed. The assumptions needed are much weaker than those made in parametric models. The proposed estimators apply as well to the detection of discontinuities in derivatives and therefore to the detection of change-points of slope and of higher order curvature. The proposed estimators are based on a comparison of left and right one-sided kernel smoothers. Weak convergence of a stochastic process in local differences to a Gaussian process is established for properly scaled versions of estimators of the location of a change-point. The continuous mapping theorem can then be invoked to obtain asymptotic distributions and corresponding rates of convergence for change-point estimators. These rates are typically faster than $n^{-1/2}$. Rates of global $L^p$ convergence of curve estimates with appropriate kernel modifications adapting to estimated change-points are derived as a consequence. It is shown that these rates of convergence are the same as if the location of the change-point was known. The methods are illustrated by means of the well known data on the annual flow volume of the Nile river between 1871 and 1970.

笔记与分组