Accommodating so many zeros: univariate and multivariate data

Authored by: James S. Clark , Alan E. Gelfand

Handbook of Environmental and Ecological Statistics

Print publication date:  September  2017
Online publication date:  January  2019

Print ISBN: 9781498752022
eBook ISBN: 9781315152509
Adobe ISBN:


 Download Chapter



Zeros play a unique role in ecological and environmental data and often need special modeling consideration to accommodate them. The purpose of this chapter is to elaborate this challenge. Two illustrative examples are the 0 resulting from no precipitation at a location (an environmental variable) and the 0 resulting from species absence at a location (an ecological variable).

Search for more...
Back to top

Use of cookies on this website

We are using cookies to provide statistics that help us give you the best experience of our site. You can find out more in our Privacy Policy. By continuing to use the site you are agreeing to our use of cookies.