The authors study estimation of the total number of classes present in multiple overlapping populations. They show that the number of classes is identifiable in a nonparametric mixture model of ...

IN ecological work it is often necessary to have comparative estimates of the numbers of organisms in a large number of samples. An exact valuation may not be required, but an approximate numerical ...

China’s COVID-19 figures are not arithmetically sensible. The Communist Party has deliberately made estimation difficult, but, outside of Wuhan city and Hubei province, cases are low by a factor of ...

This is a preview. Log in through your library . Springer is one of the leading international scientific publishing companies, publishing over 1,200 journals and more than 3,000 new books annually, ...