Add lines for the density of infected individuals for the SEIS model

Add lines for the density of infected individuals for the SEIS model

add_lines_X_SEIS(time, XH, nStrata, clrs = c("darkblue", "darkred"), llty = 1)

Arguments

time

time points for the observations

XH

a list with the outputs of parse_Xorbits_SEIS

nStrata

the number of population strata

clrs

a vector of colors

llty

an integer (or integers) to set the `lty` for plotting