Research Article

Fuzzy Clustering-Based Ensemble Approach to Predicting Indian Monsoon

Table 8

Mean absolute errors (%) for annual Indian summer monsoon rainfall prediction by individual GRNN cluster models and ensemble model for test period 2001–2013. Reports minimum error of 6.1%.

Predictor set Training years Cluster1 error (%) Cluster2 error (%) Cluster3 error (%) Ensemble error (%)

PredSet1 20 10.0 7.6 7.6 6.4
PredSet2 30 7.1 8.9 7.6 6.4
PredSet3 20 5.8 9.2 6.0 6.1
PredSet4 20 6.3 6.6 7.2 6.3
PredSet5 25 7.1 9.4 11.9 6.6