K値というものが話題になっています． https://doi.org/10.1101/2020.04.25.20080200 K(t) = 1-1/R(t) で定義されるそうですが，Brauer et al. (Eds.) Mathematical Epidemiology (Springer) のp. 55にこれとそっくりの式が出て来ます． p > 1-1/R0 不等号を…

Modification 1: I misexpressed the English expression for the sum of expected infected people; the scales for the figures are in anyway correct. I described the right order. Modification 2: I found a bag for sorting of labels. The graph li…