Lemon, JBolker, BOom, S
install.packages("plotrix") # Install plotrix package library("plotrix") # Load plotrix packageNext, we can use the draw.circle function of the plotrix package to add a circle to our Base R graph:plot(data$x, data$y) # Draw Base R plot with circle draw.circle(0, 0, 1)...
Lemon, JimBolker, BenOom, SanderKlein, EduardoRowlingson, BarryWickham, HadleyTyagi, AnupamEterradossi, OlivierGrothendieck, GaborToews, Michael