R version of Witkovsky's Matlab implementation of iterative solving of Henderson's mixed model equations.
For the R version of an algorithm see the MMEinR.R file (function) available at
For the current status of the MATLAB algorithm (not an identical clone) see the mixed.m file (function) available at
Searle, S.R., Cassela, G., McCulloch, C.E.: Variance Components. John Wiley & Sons, INC., New York, 1992. (pp. 275-286).
Witkovsky, V.: MATLAB Algorithm for solving Henderson's Mixed Model Equations. Technical Report No. 3/2000, Institute of Measurement Science, Slovak Academy of Sciences, Bratislava, 2000.