This is a preview. Log in through your library . Abstract Estimating the residual variance is an important question in nonparametric regression. Among the existing estimators, the optimal ...

The estimation of variance by use of successive differences of higher order is discussed in this paper. Heretofore, attention has been focused, in published works, on estimates of variance obtained by ...

We compile a novel high-frequency, detailed geographic dataset on mass layoffs from U.S. state labor departments. Using recent advances in difference-in-difference estimation with staggered treatment, ...

Researchers have successfully extended the quantum phase difference estimation algorithm, a general quantum algorithm for the direct calculations of energy gaps, to enable the direct calculation of ...

To tackle a problem for scholars who study past cultures – the way numerous artefacts that would inform the cultural diversity of a time have been lost – researchers borrowed an “unseen species” model ...