Confidence intervals for the comparison of two Poisson distributions

Lisa A. Weissfeld, Roy T. St. Laurent, Lawrence H. Moulton, Roy T St Laurent

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Confidence interval construction the difference in mean event rates for two Index independent , Poisson samples is discussed. Intervals are derived by considering Bayes estimates of the mean event rates using a family of noninformative priors. The coverage probabilities of the proposed are compared to those of the standard Wald interval for of observed events. A compromise method of constructing interval based on the data is suggested and its properties are evaluated. The method is illustrated in several examples.
Original languageEnglish
Pages (from-to)3071-3081
JournalCommunications in Statistics, Theory and Methods
StatePublished - 1991


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