Exact Moments and Product Moments of the Order Statistics from the Truncated Logistic Distribution
截断 Logistic 分布次序统计量的精确矩与乘积矩AI 解读 ↓
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The order statistics of an arbitrary size random sample of variates which originate from a logistic distribution with an arbitrary degree of truncation, both one-sided and two-sided, are considered. A general expression for the product moments of the order statistics in the onesided truncation case is derived by application of a formula obtained from the Euler Transformation. A generalization of this formula is used to obtain an expression for the product moments of the order statistics with an arbitrary amount of truncation at either tail of the distribution. All above expressions for the product moments as well as for the first and second ordinary moments are given in terms of finite sums, the terms of which involve only the logarithm and dilogarithm of P, i.e., the constant of truncation.