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asremlPlus (version 2.0-9)
Augments the Use of 'Asreml' in Fitting Mixed Models
Description
Assists in automating the testing of terms in mixed models when 'asreml' is used
to fit the models. The content falls into the following natural groupings: (i) Data, (ii) Object
manipulation functions, (iii) Model modification functions, (iv) Model testing functions,
(v) Model diagnostics functions, (vi) Prediction production and presentation functions,
(vii) Response transformation functions, and (viii) Miscellaneous functions. A history of the
fitting of a sequence of models is kept in a data frame. Procedures are available for choosing
models that conform to the hierarchy or marginality principle and for displaying predictions
for significant terms in tables and graphs. The package 'asreml' provides a computationally
efficient algorithm for fitting mixed models using Residual Maximum Likelihood. It can be
purchased from 'VSNi' as 'asreml-R', who will supply a zip file for
local installation/updating.