作者
Thomas J DiCiccio, Michael A Martin, G Alastair Young
发表日期
1992/6/1
期刊
Biometrika
卷号
79
期号
2
页码范围
285-295
出版商
Oxford University Press
简介
SUMMARY
We propose two new methods for the construction of approximate iterated bootstrap confidence intervals. Our methods follow a saddlepoint approach, but employ approximate rather than exact solutions to the nonlinear saddlepoint equations that arise in applying that technique. The main advantages of the new techniques are that they yield confidence intervals with high coverage accuracy in small- to moderately-sized samples and that they achieve this accuracy with very substantial reductions in computation time compared to other methods. We illustrate our methods on calculations of confidence intervals for a ratio of means and for a correlation coefficient.
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