(This article was first published on 0xCAFEBABE, and kindly contributed to R-bloggers)
I have recently used the subplot() function of the TeachingDemos library for R: I wanted to create a simple embedded chart with multiple lines on it. The trick was to create a simple function that prepares the whole plot and pass it to the subplot() function to execute as shown below:
> x <- function() { plot(1:3); lines(3:1) }
> x()
> plot(1:10)
> subplot(x(), 5, 5)
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