Standard Article

Smoothing in environmental epidemiology

Environmental Health

  1. Louise Ryan

Published Online: 15 JAN 2013

DOI: 10.1002/9780470057339.vas030.pub2

Encyclopedia of Environmetrics

Encyclopedia of Environmetrics

How to Cite

Ryan, L. 2013. Smoothing in environmental epidemiology . Encyclopedia of Environmetrics. 5.

Author Information

  1. Australia and Harvard University, CSIRO Mathematics, Informatics and Statistics (CMIS), North Ryde, MA, USA

Publication History

  1. Published Online: 15 JAN 2013


Smoothing is a branch of regression analysis that allows for a predictor to impact the response as an arbitrary smooth function. It is also known as nonparametric regression. The purpose of this article is to alleviate the restrictiveness of parametric functional relationships, such as that imposed by linearity.


  • splines;
  • kernel smoothing;
  • non parametric regression