Modelling and Prediction of Particulate Matter, NOx, and Performance of a Diesel Vehicle Engine under Rare Data Using Relevance Vector Machine

Table 5

Results of the ANN model.

Output parameters	MAPE over the training data sets (%)	MAPE over the test data sets (%)	𝑅^2
BSFC	14.13	14.12	0.70
BTE	8.66	6.42	0.86
NOx emission	18.15	16.64	0.85
Mass concentration	87.42	98.12	0.02
Overall average	32.09	33.83