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What breeders usually do: AMMIAdditive Main Effects and Multiplicative Interaction Production = G + E + residualsThen do a PCA on residuals to visualize the GxEinteractions.(An alternative is to only remove G – known as GGE.)
Final remarksStatistical models complement mechanisticmodels Use real data for places where mechanistic models have not been calibrated Get an estimate of the error Link to daily plant breeding practice!Package weatherData to get weather data for triallocations and derive ecophysiological variables