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Two Stage Adaptive Pool Testing For Estimating Prevalence of a Trait: Application to HIV/AIDS prevalence in Western Kenya - Softcover

Okoth, Annette Wakaanya

 
9783659275128: Two Stage Adaptive Pool Testing For Estimating Prevalence of a Trait: Application to HIV/AIDS prevalence in Western Kenya
Softcover
ISBN 10: 3659275123 ISBN 13: 9783659275128
Verlag: LAP LAMBERT Academic Publishing, 2012

Inhaltsangabe

In this study we present a two-stage adaptive estimator of prevalence in the presence of test errors. We assume that tests are not 100% perfect. We obtain the adaptive estimator using Maximum Likelihood Estimate (MLE) method and use Fisher information to determine the variance of the estimator. We use Matlab, a statistical software for simulation and verification of the model. We analyse and discuss the properties of the constructed estimator in comparison with other existing estimators in the literature of pool testing. We also provide the confidence interval of the estimator. When the test kits have low sensitivity and specificity, we establish that the adaptive estimator outperforms other existing estimators. Further more, we demonstrate that the efficiency of the adaptive estimation scheme improves as the number of stages increases. This makes the adaptive testing scheme more ideal in areas where errors are rampant.

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Verlag
LAP LAMBERT Academic Publishing
Erscheinungsdatum
2012
Sprache
Englisch
ISBN 10 
3659275123
ISBN 13 
9783659275128
Einband
Taschenbuch
Anzahl der Seiten
56
Kontakt zum Hersteller
Nicht verfügbar
Verantwortliche Person
Alphascript Publishing
customerservice@vdm-vsg.de

Brivibas gatve 197
Riga
1039
Lettland