The authors propose a new class of robust estimators for the parameters of a regression model in which the distribution of the error terms belongs to a class of ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Many of Pew Research Center’s survey analyses show relationships between two ...

Local linear kernel methods have been shown to dominate local constant methods for the nonparametric estimation of regression functions. In this paper we study the theoretical properties of ...

The currently used final height prediction methods are based on an estimate of the growth potential, which can be read from the Bayley-Pinneau tables once bone age (BA) and chronological age (CA) are ...