A new powerful nonparametric rank test for ordered alternative problem.

We propose a new nonparametric test for ordered alternative problem based on the rank difference between two observations from different groups. These groups are assumed to be independent from each other. The exact mean and variance of the test statistic under the null distribution are derived, and...

Full description

Bibliographic Details
Main Authors: Guogen Shan, Daniel Young, Le Kang
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2014-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4236087?pdf=render