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In probability and statistics, the log-logistic distribution (known as the Fisk distribution in economics) is a continuous probability distribution for a non-negative random variable. It is used in survival analysis as a parametric model for events whose rate increases initially and decreases later, as, for example, mortality rate from cancer following diagnosis or treatment. It has also been used in hydrology to model stream flow and precipitation, in economics as a simple model of the distribution of wealth or income, and in networking to model the transmission times of data considering both the network and the software.

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  • Loi log-logistique (fr)
  • Log-logistic distribution (en)
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  • In probability and statistics, the log-logistic distribution (known as the Fisk distribution in economics) is a continuous probability distribution for a non-negative random variable. It is used in survival analysis as a parametric model for events whose rate increases initially and decreases later, as, for example, mortality rate from cancer following diagnosis or treatment. It has also been used in hydrology to model stream flow and precipitation, in economics as a simple model of the distribution of wealth or income, and in networking to model the transmission times of data considering both the network and the software. (en)
  • Dans la théorie des probabilités et en statistiques, la loi log-logistique (connue aussi comme la distribution de Fisk en économie) est une loi de probabilité continue pour une variable aléatoire strictement positive. Elle est utilisée dans l'étude de la durée de vie d'événement dont l'intensité augmente d'abord pour ensuite décroître, comme pour la mortalité dû au cancer après diagnostic ou traitement. Elle est aussi utilisée en hydrologie pour modéliser le débit d'un cours d'eau ou le niveau des précipitations, et en économie pour modéliser l'inégalité des revenus. (fr)
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  • Log-logistic (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Loglogisticcdf.svg
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Loglogistichaz.svg
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  • density (en)
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