R: Draw a circle

circle {calibrate} | R Documentation

## Draw a circle

### Description

`circle` draws a circle in an existing plot.

### Usage

    circle(radius,origin)

### Arguments

`radius` | the radius of the circle
`origin` | the origin of the circle

### Value

NULL

### Author(s)

Jan Graffelman jan.graffelman@upc.edu

### Examples

       set.seed(123)
       X <- matrix(rnorm(20),ncol=2)
       plot(X[,1],X[,2])
       circle(1,c(0,0))

[Package calibrate version 1.7.2 Index]