LCO Confidence Interval Generator

LCO Confidence Interval Generator

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At 4th decimal place accuracy computation time may require up to 25 seconds.

Shiny app by Jimmy Doi
Base R code by Jimmy Doi
Shiny source files: GitHub Gist
Cal Poly Statistics Dept Shiny Series

Details on the Length/Coverage Optimal (LCO) confidence interval for the binomial proportion can be found in the following journal article:

Schilling, M., and Doi, J. (2014) 'A Coverage Probability Approach to Finding an Optimal Binomial Confidence Procedure' The American Statistician , 68(3), 133--145 (Online access)

The LCO website contains the R code for the CI algorithm and a full listing of LCO CIs (at 5 decimal places), for n = 1, 2, ..., 100 at the 90, 95, and 99% levels.