English

Two sources of poor coverage of confidence intervals after model selection

Statistics Theory 2019-02-20 v1 Methodology Statistics Theory

Abstract

We compare the following two sources of poor coverage of post-model-selection confidence intervals: the preliminary data-based model selection sometimes chooses the wrong model and the data used to choose the model is re-used for the construction of the confidence interval.

Keywords

Cite

@article{arxiv.1711.01739,
  title  = {Two sources of poor coverage of confidence intervals after model selection},
  author = {Paul Kabaila and Rheanna Mainzer},
  journal= {arXiv preprint arXiv:1711.01739},
  year   = {2019}
}