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Table 3 Comparison between simulated and observed anthesis date, physiological maturity date, grain and biomass yields using R2, d, RMSE and nRMSE during model evaluation (number of comparison = 4)

From: Modeling future climate change impacts on sorghum (Sorghum bicolor) production with best management options in Amhara Region, Ethiopia

Parameters

Observed

Simulated

R2

d

RMSE

nRMSE (%)

Anthesis (days)

71 (3.3)

73 (3.25)

0.78

0.87

1.83

2.6

Physiological maturity (days)

122 (6.34)

125 (7.54)

0.99

0.91

3.3

2.7

Grain yield (kg ha−1)

2932 (515)

2351 (543)

0.94

0.67

685.6

23.4

Biomass yield (kg ha−1)

11,656 (1296)

11,365 (1025)

0.98

0.98

477.8

4.1

  1. Numbers in the parenthesis indicate the standard deviation