version of R0:::plot.R0.sR that does not use dev.new
# S3 method for R0.sR
plot2(x, xscale = "w", TD.split = FALSE, ...)instance of R0.sR
character(1) scale to be used on x axis (d = daily, w=weekly, f=fortnightly, m=monthly)
logical(1) "to force the display of both R(t) and the epidemic curve in the same window for TD method"
passed to base::plot
none, used for side effects