ASExtras4 contains utility functions for the meta-analysis of a series of spatially defined field experiments. It includes functions for:
- diagnostic plots for multi-environment experiments
- summary methods for factor analytic models
- variogram envelopes using parametric bootstrap.
You can download the package from https://mmade.org/asextras4/.
asremlPlus augments the use of ASReml-R in fitting mixed models and packages generally in exploring prediction differences.