negative binomial distribution

基本解释

According to a kind of demand distribution, which can be represented as a negative binomial distribution, the profit maximization model of those products is deduced.
基於一種負二項分佈的離散需求函數，推導了易腐品利潤最大化模型。
The commonly used statistical methods for the researches on family clustering are the binomial distribution, the negative binomial distribution and the G examination and so on.
研究家庭聚集性常用的統計方法有二項分佈、負二項分佈和G檢騐等。
The results are as follows: The distribution pattern of larvae is aggregative ( negative binomial distribution) . The aggregation dose not change with the densities of population of leaf miner.
結果表明：菸草潛葉蛾幼蟲在田間呈聚集分佈，聚集強度不因種群密度的改變而改變。

負二項分佈
Conclusions The snail distribution was not the unique negative binomial distribution,but maybe dynamic distribution related with snail density. A new generalized distribution model was needed to reflect the dynamics of the distribution.
結論釘螺分佈不是單一的負二項分佈,可能存在著與密度有關的一種動態變化,有待於提出新的、更廣義的分佈模型來更好地反映這種動態變化。
數學
負二項分配
負二項式分佈