a simplified and more meaningful syntax for model specification:.This version offers a more unified framework and extended functionality for LMM analysis, particularly for large and complex data sets. Linear mixed effects models provide a rich and flexible tool for the analysis of many data sets commonly arising in animal, plant and aqua breeding, agriculture, environmental sciences and medical sciences.
ASReml is powerful statistical software specially designed for mixed models using Residual Maximum Likelihood (REML) to estimate the parameters.