Fig. 6From: Using Baidu index to nowcast hand-foot-mouth disease in China: a meta learning approachEvaluation metric of different lag time: RMSE. Blue: the RMSE of ARIMA; Orange: the RMSE of PCA+LR; Yellow: the RMSE of LASSO; Orangered: the RMSE of RR; Brown: the RMSE of MLBack to article page