R package varComp: Variance Component Models. Variance component models: REML estimation, testing fixed effect contrasts through Satterthwaite or Kenward-Roger methods, testing the nullity of variance components through (linear or quadratic) score tests or likelihood ratio tests.
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References in zbMATH (referenced in 1 article )
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- Hui, F. K. C.; Müller, Samuel; Welsh, A. H.: Testing random effects in linear mixed models: another look at the F-test (with discussion) (2019)