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              "value": "The probability mass function for the Log Series distribution is"
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          "value": "P(k) = \\frac{-p^k}{k \\ln(1-p)},"
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  "references": [
    ".. [1] Buzas, Martin A.; Culver, Stephen J.,  Understanding regional",
    "       species diversity through the log series distribution of",
    "       occurrences: BIODIVERSITY RESEARCH Diversity & Distributions,",
    "       Volume 5, Number 5, September 1999 , pp. 187-195(9).",
    ".. [2] Fisher, R.A,, A.S. Corbet, and C.B. Williams. 1943. The",
    "       relation between the number of species and the number of",
    "       individuals in a random sample of an animal population.",
    "       Journal of Animal Ecology, 12:42-58.",
    ".. [3] D. J. Hand, F. Daly, D. Lunn, E. Ostrowski, A Handbook of Small",
    "       Data Sets, CRC Press, 1994.",
    ".. [4] Wikipedia, \"Logarithmic distribution\",",
    "       https://en.wikipedia.org/wiki/Logarithmic_distribution"
  ],
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