Chao estimator is not guaranteed to be asymptotically conservative with finite sampling efforts. A simple correction solves the issue. We illustrate with simulations and examples that the corrected Chao estimator is asymptotically conservative, and has lower standard error.
Farcomeni, A., Dotto, F. (2021). A correction to make Chao estimator conservative when the number of sampling occasions is finite. STATISTICS & PROBABILITY LETTERS, 176, 109154 [10.1016/j.spl.2021.109154].
A correction to make Chao estimator conservative when the number of sampling occasions is finite
Farcomeni A.;
2021-09-01
Abstract
Chao estimator is not guaranteed to be asymptotically conservative with finite sampling efforts. A simple correction solves the issue. We illustrate with simulations and examples that the corrected Chao estimator is asymptotically conservative, and has lower standard error.File in questo prodotto:
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