Folgert Karsdorp
Unseen-Species.
Estimating Unseen Shared Cultural Diversity.
Extends unseen species models to estimate the shared diversity between two cultural collections — how many artefacts they have in common that neither has observed.
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.
