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How to draw a circle in R?
There is no direct function in R to draw a circle but we can make use of plotrix package for this purpose. The plotrix package has a function called draw.cirlce which is can be used to draw a circle but we first need to draw a plot in base R then pass the correct arguments in draw.circle. The first and second arguments of draw.circle takes x and y coordinates, and the third one is for radius, hence these should be properly chosen based on the chart in base R.
Loading plotrix package:
> library(plotrix)
Creating different circles using draw.circle:
Example
> plot(1:10,type="n") > draw.circle(2,4,1)
Output:
Example
> plot(1:10,type="n") > draw.circle(5,6,1)
Output:
Updated on: 06-Nov-2020
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