New probability puzzle from columnist John Allen Paulos. Oct. 3, 2010 — -- During my summer hiatus from Who's Counting, a fascinating new paradox, first noticed by puzzle-meister Gary Foshee, ...

We consider estimation in a particular semiparametric regression model for the mean of a counting process with "panel count" data. The basic model assumption is that ...

Nonparametric methods provide a flexible framework for estimating the probability density function of random variables without imposing a strict parametric model. By relying directly on observed data, ...

Numerous techniques have been proposed to estimate carnivore abundance and density, but few have been validated against populations of known size. We used a density estimate established by intensive ...