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  • 學位論文

在一般化型二逐步設限下使用新樞紐量對具有浴缸型或遞增失敗率函數之雙參數壽命分配與對數常態分配做統計推論

Using some new pivotal quantities to do statistic inferences for the new two parameters distribution with the bathtub shape or increasing failure rate function and the lognormal distribution under general Type II progressive censoring.

指導教授 : 吳淑妃

摘要


在型二逐步設限和一般化型二逐步設限下,我們提出一些新的樞紐量, 對一個新的具有浴缸型或遞增失敗率函數之雙參數壽命分配和對數常態分配之形狀參數做統計推論。經由模擬分析,我們發現新的樞紐量比謝承剛[民94]之樞紐量有較好的表現。在這些許多新的樞紐量中,我們會選出平均區間長度最短或平均檢定力最大的樞紐量,做為最佳之樞紐量。最後, 我們舉兩個數值例子來示範本文提出之所有推論方法。

並列摘要


Several new pivotal quantities are proposed to do the statistical inferences for the shape parameter for a new two-parameters lifetime distribution with bathtub shape or increasing failure rate function and the lognormal distribution under type ii progressive censoring and general type ii progressive censoring in this paper. The simulation results show that the new pivotal quantities are superior to those pivotal quantities proposed in the master thesis of Cheng-Kang Hsieh (2005). For these new pivotal quantities, the optimal one is chosen based on the minimum confidence length for confidence interval or the highest power for hypothesis testing. At last, two numerical examples are given to demonstrate all proposed methods in this paper.

參考文獻


[3] 謝承剛(民94),隨機移除之一般化型二逐步設限下對雙參數Burr-XII分配和一個新的具有浴缸型或遞增失敗率函數之雙參數壽命分配的統計推論,淡江大學統計學系應用統計學碩士班碩士論文。
the Shape Parameter of a Log-Normal Distribution, Journal of
[2] 林雅莉(民93),利用多重型II設限樣本對Burr type XII及Lognormal分配的形狀參數做統計推論,淡江大學統計學系應用統計學碩士班碩士論文。
[1] Balakrishnan, N., Sandhu, R. A. (1996) Best linear unbiased and Maximum likelihood estimation for Exponential distributions under general progressive Type II censored samples, The Indian Journal of Statistics, 58, 1, 1-9.
[3] Cohen, A. C. (1951), ” Estimating parameters of logarithmic-normal distribution by maximum likelihood, Journal of American Statistical Assocation, 46, 206-212

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