View Proposal #115
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ID | 115 |
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First Name | Mahmoud |
Last Name | Almanassra |
Institution | Wartburg College |
Speaker Category | faculty |
Title of Talk | On the Negative Mass Assigned By the Univariate Zao-Tsiatis and Wang Estimators |
Abstract | The Zhao-Tsiatis estimator, for the restricted quality adjusted lifetime (RQAL), is not a monotonic estimator and hence it is not a proper survival function. The Wang estimator, which is a modified version of the ZT-estimator, is also not a monotonic estimator. Both the ZT-estimator and the W-estimator are consistent and reasonably efficient estimators. The simple weighted estimator is monotonic and consistent, but it is less efficient than the other two estimators mentioned above. I will identify the jump points of the simple weighted estimator, the ZT-estimator and the W-estimator. I will also identify which of these points are assigned a negative mass by the estimator. Moreover, I will propose two new consistent estimators for the survival functions of the RQAL. |
Subject area(s) | |
Suitable for undergraduates? | ??? |
Day Preference | |
Computer Needed? | |
Bringing a laptop? | N |
Overhead Needed? | Y |
Software requests | |
Special Needs | |
Date Submitted | 3/11/2005 |
Year | 2005 |