Folgert Karsdorp
Notebooks.
Apr 1, 2022
Zelterman's Estimator of Population Size
Explores Zelterman's robust alternative to Chao1 — an estimator less sensitive to heterogeneity violations, tested on cultural and literary data.
Mar 31, 2022
Estimating Richness under Sampling without Replacement
Examines how standard unseen species estimators break down under sampling without replacement, and how to correct for it.
Mar 15, 2022
Demystifying Chao1 with Good-Turing
How Good-Turing frequency estimation underpins the Chao1 biodiversity estimator — and what that means for counting unseen cultural artefacts.
