[R] writing function ( 'plot' and 'if') problem

[David Winsemius]

On Apr 13, 2010, at 5:41 PM, casperyc wrote:

>
> ===========================
> myf=function(ds=1){
> x=rnorm(10)
> y=rnorm(10)
>
> { #start of if
> if (ds==1)
> {
> list(x,y)
> }
>
> else (ds==2)
> {
> plot(x,y)
> }
>
> } # end of if
>
> } # end of function
> ===========================
>
> Hi All,
>
> the problem i am having here is,
> that I want to be able to control the display,
> lf ds=1, i want to just have a list,a

Perhaps taking out the entirely extraneous condition for else and  
"linking up" the else clause:

myf=function(ds=1){
  x=rnorm(10)
  y=rnorm(10)

   #start of if
  if (ds==1)
  {
  list(x,y)
  } else {
  plot(x,y) }

  } # end of if


 > myf(1)
[[1]]
  [1] -0.5738623  0.6937577 -1.0801386  0.9465693  1.0054440  
-1.5523713  1.5912727  0.5426036  1.8980418 -0.5922542

[[2]]
  [1] -1.4519795 -0.1556495 -2.5242081 -0.6671736  0.5947123  
-0.6051199 -1.3711271  0.1647910  0.1616131 -0.2563056

-- 
David.

>
> but it seem to always plot...
>
> Thanks.
>
> casper
> -- 
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