Quantile Correlation-based Variable Selection
基于分位数相关的变量选择AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要以分位数相关作为核心依赖度量,构造检验与变量筛选方法,因此归入分位数方法方向,但未涉及具体分布效应应用。
基于分位数相关的变量选择AI 解读 ↓
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This article is concerned with identifying important features in high-dimensional data analysis, especially when there are complex relationships among predictors. Without any specification of an actual model, we first introduce a multiple testing procedure based on the quantile correlation to select important predictors in high dimensionality. The quantile-correlation statistic is able to capture a wide range of dependence. A stepwise procedure is studied for further identifying important variables. Moreover, a sure independent screening based on the quantile correlation is developed in handling ultrahigh dimensional data. It is computationally efficient and easy to implement. We establish the theoretical properties under mild conditions. Numerical studies including simulation studies and real data analysis contain supporting evidence that the proposal performs reasonably well in practical settings.
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lpcde:局部多项式条件密度估计与推断
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再生核希尔伯特空间上的非参数期望短缺回归估计与推断
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空间分位数自回归模型中的跨分位数收缩
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LAD 回归及其他 Z 估计问题的一致有效选择后推断
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分布型数据的分位数函数对标量回归分析
Radiomics involves the study of tumor images to identify quantitative markers explaining cancer heterogeneity. The predominant approach is to extract hundreds to thousands of image features, including histogram features comprised of summaries of the marginal distribution of pixel intensities, which leads to multiple testing problems and can miss out on insights not contained in the selected features. In this paper, we present methods to model the entire marginal distribution…