Getting the state of variables after an error occurs in R

Question

Let\'s say I have just called a function, f, and an error occurred somewhere in the function. I just want to be able to check out the values of different varia

Answer 1

You could also just use the debug() function:

> debug(f)
> f(x,y)
debugging in: f(x, y)
debug: {
    y <- c(y, 1)
    lm(y ~ x)
}
Browse[1]> 
debug: y <- c(y, 1)
Browse[1]> x
[1] 1 2 3 4 5
Browse[1]> y
[1] 2.146553 2.610003 2.869081 2.758753 4.433881