In this paper, we used the concepts of the maximum likehood estimate and the direction maximum likehood estimate to give two kinds of estimates for two-parameter exponential distribution.
利用极大似然估计以及方向极大似然估计的概念，分别得到了双参数指数分布的参数的估计量，并证明了双参数指数分布中的两个参数满足双曲线型关。
In this paper, we used the concepts of the maximum likehood estimate and the direction maximum likehood estimate to give two kinds of estimates for two-parameter exponential distribution.
利用极大似然估计以及方向极大似然估计的概念，分别得到了双参数指数分布的参数的估计量，并证明了双参数指数分布中的两个参数满足双曲线型关。
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