Scale-Space Theory in Computer Vision
Scale-Space Theory in Computer Vision
Likelihood-based local polynomial fitting for single-index models
Journal of Multivariate Analysis
Bayesian multiscale analysis for time series data
Computational Statistics & Data Analysis
Feature significance in generalized additive models
Statistics and Computing
SiZer analysis for the comparison of regression curves
Computational Statistics & Data Analysis
Bayesian multiscale feature detection of log-spectral densities
Computational Statistics & Data Analysis
Detection of a change point based on local-likelihood
Journal of Multivariate Analysis
Artificial Intelligence in Medicine
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SiZer (SIgnificant ZERo crossing of the derivatives) is a graphical scale-space visualization tool that allows for exploratory data analysis with statistical inference. Various SiZer tools have been developed in the last decade, but most of them are not appropriate when the response variable takes discrete values. In this paper, we develop a SiZer for finding significant features using a local likelihood approach with local polynomial estimators. This tool improves the existing one (Li and Marron, 2005) by proposing a theoretically justified quantile in a confidence interval using advanced distribution theory. In addition, we investigate the asymptotic properties of the proposed tool. We conduct a numerical study to demonstrate the sample performance of SiZer using Bernoulli and Poisson models using simulated and real examples.