缺失数据样本下艾拉姆咖分布的参数估计
The Estimations of Parameter from Эрланга Distribution under Missing Data Samples

首先给出艾拉姆咖分布次序统计量的密度函数,得到次序统计量的相关特征数；其次在缺失数据样本下给出参数的无偏估计、近似极大似然估计及置信区间；最后通过实例计算出参数的几种估计,验证其优良性.
Firstly,density function of order statistics is given about Эрланга distribution,calculate related characteristic numbers of the order statistics.Secondly,in the missing data samples unbiased estimation approximate maximum likelihood estimation and confidence interval of parameter are given.In the end,several estimations of the parameter are calculated through an instance,and its superiority is proved