Graphing a piece-wise defined function in RKward

[meik michalke]

hi michael,

Am Montag, 19. Dezember 2016, 09:26:09 CET schrieb Philip (Michael) Dykes:
> I am very new to both R and Rkward and am trying to plot the following:
> 
> f(x)=    x^2, if x <= 2,
>              6-x, if x > 2.
> 
> How can I do this in Rkward? Also, I would like the graph (plot) to look
> as much as possible like the graph I was in this book (attached).

this is a very basic R question, and general R support is far beyond the scope 
if this mailing list (and, well, you should not send attachments to mailing 
lists).

but FWIW, here's a hint to get you a little closer to what you want to 
achieve:

  piecewise <- function(x){
    if(x <= 2){
      y <- x^2
    } else {
      y <- 6-x
    }
    return(y)
  }

  plot(sapply(-3:6, piecewise))


you should try to work yourself through some basic R tutorials, there's a lot 
of them out there on the web ;-)


viele grüße :: m.eik

-- 
  dipl. psych. meik michalke
  institut f"ur experimentelle psychologie
  abt. f"ur diagnostik und differentielle psychologie
  heinrich-heine-universit"at d-40204 d"usseldorf
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