Library book circulation and the beta‐binomial distribution

E. Gelman and H. S. Sichel

Journal of the American Society for Information Science, 1987, vol. 38, issue 1, 4-12

Abstract: Library book circulation does not appear to be a Poisson process. It is proposed that a binomial process is more logical and that the mixture distribution for individual book popularities is a continuous beta distribution. Three examples are given which indicate the superiority of the beta—over the negative binomial distribution. A bivariate beta‐binomial should be of help to the librarian in predicting future book circulations. © 1987 John Wiley & Sons, Inc.

Date: 1987
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https://doi.org/10.1002/(SICI)1097-4571(198701)38:13.0.CO;2-H

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