[R-pkg-devel] creating a function that creates a figure

[csmatyi]

Hello all,

Normally, when you write a function in R, it returns a value. That way it is easy to write an .Rd file for this function.

However, I have written a function that does no such thing. Rather, it takes as input two data frames, and creates a figure. But doesn't return anything.

In R package language, how do I write the examples in the .R file when I need to define the input variable first as a data frame? I can't just write it as

add(1,2) which returns 3.

Any help?

Thanks so much,
Matthew

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