Comparative Study
doi: 10.1002/(sici)1097-0258(19980430)17:8<857::aid-sim777>3.0.co;2-e.
Two-sided confidence intervals for the single proportion: comparison of seven methods
Affiliations
- PMID: 9595616
- DOI: 10.1002/(sici)1097-0258(19980430)17:8<857::aid-sim777>3.0.co;2-e
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Comparative Study
Two-sided confidence intervals for the single proportion: comparison of seven methods
Stat Med.
.
Abstract
Simple interval estimate methods for proportions exhibit poor coverage and can produce evidently inappropriate intervals. Criteria appropriate to the evaluation of various proposed methods include: closeness of the achieved coverage probability to its nominal value; whether intervals are located too close to or too distant from the middle of the scale; expected interval width; avoidance of aberrations such as limits outside [0,1] or zero width intervals; and ease of use, whether by tables, software or formulae. Seven methods for the single proportion are evaluated on 96,000 parameter space points. Intervals based on tail areas and the simpler score methods are recommended for use. In each case, methods are available that aim to align either the minimum or the mean coverage with the nominal 1 -alpha.
Comment in
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Two-sided confidence intervals for the single proportion: comparison of seven methods by Robert G. Newcombe, Statistics in Medicine 1998; 17:857-872.Stat Med. 2005 Nov 15;24(21):3383-4. doi: 10.1002/sim.2164. Stat Med. 2005. PMID: 16206245 No abstract available.
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