Fit linear mixedeffects models using restricted (or residual) maximum likelihood (REML) and with generalized inverse matrices to specify covariance structures for random effects. In particular, the package is suited to fit quantitative genetic mixed models, often referred to as 'animal models' (Kruuk. 2004 <DOI: 10.1098/rstb.2003.1437>). Implements the average information algorithm as the main tool to maximize the restricted likelihood, but with other algorithms available (Meyer. 1997. Genet Sel Evol 29:97; Meyer and Smith. 1998. Genet Sel Evol 28:23.).
Package details 


Author  Matthew Wolak [cre, aut] (<https://orcid.org/0000000279620071>) 
Maintainer  Matthew Wolak <matthewwolak@gmail.com> 
License  GPL3 
Version  0.1.0.1 
URL  http://github.com/matthewwolak/gremlin 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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