A correction to make Chao estimator conservative when the number of sampling occasions is finite
Alessio Farcomeni and
Statistics & Probability Letters, 2021, vol. 176, issue C
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.
Keywords: Chao estimator; Conservative estimation; Sampling efforts (search for similar items in EconPapers)
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