Fig. 2

The GGM model of the accumulated number of confirmed cases of Hubei province from January 20 to January 23, 2020. The blue dots are the reported data while the dotted red line corresponds to the built GGM model
The GGM model of the accumulated number of confirmed cases of Hubei province from January 20 to January 23, 2020. The blue dots are the reported data while the dotted red line corresponds to the built GGM model