采用随机影响负二项回归模型，评估深管井的使用对儿童发生腹泻的影响。
The effect of deep tube well use on the incidence of childhood diarrhoea was assessed using a random effects negative binomial regression model.
考虑了复合负二项风险模型下的破产概率。
The ruin probability of compound negative binomial risk model is considered.
本文研究了总索赔服从复合二项过程的负风险模型。
The paper considers the negative risk model with the aggregate claims modeled as a compound binomial process.
基于一种负二项分布的离散需求函数，推导了易腐品利润最大化模型。
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.
考虑了复合负二项风险模型下的破产概率。
考虑了复合负二项风险模型下的破产概率。
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