[R] Plot step function

[Göran Broström]

On 2016-02-06 19:23, David Winsemius wrote:
>
>> On Feb 6, 2016, at 4:11 AM, jupiter <jupiter.hce at gmail.com> wrote:
>>
>> Hi,
>>
>> I am just starting to learn R, sorry for asking a simple question. How can
>> plot a line x <= 0 y = 0, x > 0 y = 1?
>
> There is a stepfun function and an associated plotting method:
>
>   y0 <- c(rep(0,3),rep(1,3))
>   sfun0  <- stepfun(-2:2, y0, right=TRUE)
>   plot(sfun0)

I would like to suggest the correct way:

Replace the last line by

 > plot(sfun0, verticals = FALSE)

Göran Broström