“logarithmic distribution”的概念、定义、翻译、参考文献-科学参考

logarithmic distribution

Statistics

A discrete distribution (see discrete random variable) with one parameter θ (0<θ<1), for which $logarithmic distribution$ where ln is the natural logarithm. The distribution has mean and variance equal to $logarithmic distribution$ respectively. A simple recurrence relation links successive probabilities $logarithmic distribution$ The distribution is much in use in the context of species diversity. If, when sampling a mixed-species population, n species occur just once, then it is commonly found that, for some θ, the numbers of species occurring twice, thrice,…are approximately ½nθ, ⅓nθ²,…. The ratio n/θ is the index of diversity. The distribution is also suitable for modelling the numbers of items of a product bought by a buyer in a given time period.

单词	logarithmic distribution
释义	logarithmic distribution Statistics A discrete distribution (see discrete random variable) with one parameter θ (0<θ<1), for which $logarithmic distribution$ where ln is the natural logarithm. The distribution has mean and variance equal to $logarithmic distribution$ respectively. A simple recurrence relation links successive probabilities $logarithmic distribution$ The distribution is much in use in the context of species diversity. If, when sampling a mixed-species population, n species occur just once, then it is commonly found that, for some θ, the numbers of species occurring twice, thrice,…are approximately ½nθ, ⅓nθ²,…. The ratio n/θ is the index of diversity. The distribution is also suitable for modelling the numbers of items of a product bought by a buyer in a given time period.
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