Table 2 Predictive modelling results for Poly (vinyl alcohol)/chitosan crosslinked electrospun nanofiber diameter (Case study 1).
Models | LW-KPLSR | LSVVR | PE (%) | Fuzzy method | PE (%) | PLSR | PE (%) | PCR | PE (%) | LW-PLSR | PE (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
Training data | |||||||||||
 RMSE1 | 16.6615 | 25.5405 | − 53 | 16.1874 | 3 | 47.0458 | − 182 | 48.4920 | − 191 | 3.6995 | 78 |
 MAE1 | 12.8781 | 20.3188 | − 58 | 12.9889 | − 1 | 38.0012 | − 195 | 39.4215 | − 206 | 2.3421 | 82 |
 R12 | 0.8534 | 0.5945 | 30 | 0.9198732 | − 8 | − 4.3966 | 615 | − 7.6465 | 996 | 0.9948 | − 16.57 |
Testing data | |||||||||||
 RMSE2 | 23.2845 | 22.7570 | 2 | 50.5757 | − 117 | 33.4241 | − 44 | 34.4090 | − 48 | 26.7814 | − 15 |
 MAE2 | 21.0767 | 18.6228 | 12 | 42.2333 | − 100 | 27.7003 | − 31 | 28.8202 | − 37 | 22.4287 | − 6 |
 R22 | 0.7509 | 0.7354 | 2 | − 0.8718 | 216 | − 0.5223 | 170 | − 0.8531 | 214 | 0.4190 | 44 |
 Ea | 25.4921 | 27.3299 | − 7 | 62.0384 | − 143 | 56.1270 | − 120 | 57.8808 | − 127 | 34.4754 | − 35 |
