英语词汇extreme value index怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	extreme value index
释义	extreme value index 简明释义极值指标网络释义 1 ?极值指数形状参数口称为广义极值分布（GEV）的极值指数（Extreme value index），也称为尾指数，作为广义极值分布的三个特例，当y＞0时为Fr6 chet分布；当y＜0时为Weibull分布；当y＝0时为Gumbel分布。短语 1 Tail extreme value index 尾极值指数 2 heavy-tailed extreme value index 重尾分布极值指数双语例句 1 One kind of heteroscedasticity testing method was proposed through extreme value theory and extreme value index estimator. 应用极值理论，通过极值指数估计量，提出了一种可行的对异方差的检验方法。 2 Some statistical test methods on "fat tail" distribution of time series are obtained by using properties of extreme value theory and extreme index estimator under large sample. 使用极值理论和极值指数估计量的性质，在大样本的情况下得到序列分布“肥尾”现象的检验方法。
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