Soft sensor modeling method for Pichia pastoris fermentation process based on substructure domain transfer learning

Table 2 The assessment metrics of the comparison experiment of each strategy module

Soft sensor model	Pichia pastoris concentration
Soft sensor model	RMSE	R²
OSDA-LSSVM	0.9560	0.9936
Model1	2.5049	0.9560
Model2	1.6229	0.9815
Model3	1.2229	0.9895
Model4	1.5302	0.9836

ISSN: 1472-6750