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Table 2 Comparison of performance of M5Rules and RNN models on different 3 × 1 dataset combinations

From: Predicting rice blast disease: machine learning versus process-based models

Training data*

Test data

Train

Test

r (a)

r (b)

r (a)

r (b)

MAE** (a)

MAE**

(b)

r2 (a)

r2 (b)

k2015 + s2016 + p2015

k2016

0.94

0.96

0.76

0.81

0.52

0.49

0.58

0.66

k2016 + s2016 + p2015

k2015

0.89

0.91

0.29

0.72

0.49

0.58

0.09

0.52

k2016 + k2015 + p2015

s2016

0.88

0.86

0.77

0.75

0.88

0.95

0.60

0.56

k2016 + k2015 + s2016

p2015

0.91

0.87

0.57

0.53

0.62

0.99

0.32

0.28

Average Values

0.60

0.70

0.63

0.75

0.40

0.51

  1. *k = Kalochori, s = Seville, p = Portugal; **Mean absolute error, (a) = M5Rules, (b) = RNN