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On the influence curve for quantal bioassay |
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| Authors: | Barry R James Kang Ling James |
| Institution: | Instituto de Mathemática Pura e Aplicada (IMPA), Rio de Janeiro, Brazil |
| Abstract: | Influence curves are defined for estimators of the ED50 in quantal bioassay, assuming a symmetic tolerance distribution. A definition of influence-curve robustness is suggested. Influence curves are obtained for L-,M- and R-estimators, and their robustness is investigated. The influence curve of the logistic maximum likelihood estimator is studied. |
| Keywords: | Primary 62G05 62P10 Secondary 62G35 Quantal bioassay Median effective dose Influence curve Robust estimators |
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