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Peer reviewedEgghe, L. – Journal of Documentation, 1985
After discussion of the equivalency of the information laws of Bradford, Leimkuhler, Lotka, and Mandelbrot, aberrations from Leimkuhler's law (including "Groos droop" as encountered in practice) are studied. Other aberrations of Leimkuhler's law are explained, starting from generalization of verbal formulation of Bradford's Law. (18…
Descriptors: Equations (Mathematics), Functions (Mathematics), Graphs, Information Theory
Peer reviewedBrownsey, K. W. R.; Burrell, Q. L. – Journal of Documentation, 1986
Frequency-of-circulation distributions from 16 United Kingdom libraries participating in initial period of operation of the Public Lending Right are discussed. Differences between the libraries are highlighted, and, for each, the adequacy of various refinements of the simplest model (geometric distribution, negative binomial distribution, or mixed…
Descriptors: Books, Childrens Literature, Fiction, Graphs
Peer reviewedBrookes, B. C. – Journal of Documentation, 1984
Review of recent developments in statistical theories for social sciences highlights Haitun's statistical distributions, Laplace's "Law of Succession" and distribution, Laplace and Bradford analysis of book-index data, inefficiency of frequency distribution analysis, Laws of Bradford and Zipf, natural categorization, and Bradford Law and…
Descriptors: Family Income, Graphs, Information Systems, Information Theory
