xds_lines_X_SIPw.Rd
Add lines for the density of infected individuals for the SIP model
xds_lines_X_SIPw( times, XH, nStrata, clrs = c("darkblue", "darkred", "darkgreen"), llty = 1 )
time points for the observations
a list with the outputs of parse_Xorbits.SIP
the number of population strata
a vector of colors
an integer (or integers) to set the `lty` for plotting