Fig. 6
From: MEM spectral analysis for predicting influenza epidemics in Japan
Two cases of the trend of the contribution ratio for prediction of the residual data during January 1997–December 1998 (filled circles and multiplication symbols, respectively): a the case that the residual data during January 1948–December 1996 is used for the analysis range. b The case that the log-data, including long-term trend, during January 1948–December 1996 is used for the analysis range