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Table 8 Modeling and validation of NO3−–N content in petioles by wavelet neural network

From: Estimation of nitrate nitrogen content in cotton petioles under drip irrigation based on wavelet neural network approach using spectral indices

Spectral index type

Modeling

Validation

Number of samples

R2

RSME (g/L)

MAE (g/L)

Number of samples

R2

RSME (g/L)

MAE (g/L)

Vegetation indices

60

0.81

0.91

0.73

60

0.82

0.87

0.68

Blue edge parameters

60

0.88

0.74

0.58

60

0.88

0.65

0.47