A Novel Hybrid CNN-LSTM Scheme for Nitrogen Oxide Emission Prediction in FCC Unit

Table 3

The R² of different methods.

Test	CNN	LSTM	CNN-LSTM
#1	0.4935	0.7931	0.8222
#2	0.4718	0.7912	0.7923
#3	0.3329	0.7923	0.8060
#4	0.4891	0.7946	0.8367
#5	0.1761	0.7980	0.8358
#6	0.3739	0.7900	0.8014
#7	0.4748	0.7999	0.8130
#8	0.1901	0.7964	0.8448
#9	0.1094	0.7734	0.8452
#10	0.1133	0.5345	0.8328
Average	0.3224	0.7663	0.8237