Figure 12
From: Air quality prediction model based on mRMR–RF feature selection and ISSA–LSTM

(a) is the prediction results for a time step of 2; (b) is the prediction results for a time step of 4.
From: Air quality prediction model based on mRMR–RF feature selection and ISSA–LSTM
(a) is the prediction results for a time step of 2; (b) is the prediction results for a time step of 4.