[R] circle

[white.denis@epamail.epa.gov]

plot.new ()
plot.window (c(0,1), c(0,1))

# method 1
symbols (0.5, 0.5, circles=0.01, inches=FALSE, add=TRUE)

# method 2
points (0.5, 0.5, pch=21, cex=3, col="green")

# method 3
library (maptree)
ngon (c(0.5, 0.5, 10, 2), n=10, type=2)


> I hope this isnt a stupid question .I wonder if someone could
> help me out..I want to plot a circle and dont know exactly if
> there is a special function in R or something that could help me out