Jan Gertheiss

Works (1)

Updated: July 5th, 2023 15:46

2011 journal article

Testing linearity and relevance of ordinal predictors

ELECTRONIC JOURNAL OF STATISTICS, 5, 1935–1959.

By: J. Gertheiss n & F. Oehrlein n

author keywords: Classical linear model; ordinal covariates; likelihood ratio tests; linear mixed models; smoothing; zero variance component
TL;DR: An alternative (restricted) likelihood ratio test for these hypotheses which is especially suited for ordinal predictors and is based on the mixed model formulation of penalized dummy coefficients is proposed and shown in simulation studies that the new test is more powerful than the standard F -test in many situations. (via Semantic Scholar)
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