Add lines for the EIR(t) *vs.* the PR(t)

Add lines for the EIR(t) *vs.* the PR(t)

lines_eirVpr(eir, pr, nStrata, clrs = "black", llty = 1)

Arguments

eir

the daily EIR

pr

the parasite rate

nStrata

the number of population strata

clrs

a [character] vector of colors

llty

an [integer] (or integers) that specifies `lty` for plotting