[R] constrain min and max of output

[Duncan Murdoch]

On 25/10/2011 9:03 AM, Timothy Bates wrote:
> this works
>
> x=1; y=-100;
> z = min(5, max(1, x+y));
> z

But it only works for scalar x and y.  The vector version would use 
pmin() and pmax().

Duncan Murdoch

> On 25 Oct 2011, at 1:46 PM, Jim Maas wrote:
>
> >  Hello,
> >
> >  Is there a simple way/function to constrain the minimum and maximum value of an output from an assignment?
> >
> >  if I have
> >
> >  z<- x +y
> >
> >  but I want z to always be between 1 and 5, such that z=5 if (x+y>= 5)  and z=1 if (x+y<= 1).
> >
> >  I know it sounds simple, I can do it with "if" statements but just wondered if there is a simpler way?
> >
> >  Thanks a bunch,
> >
> >  J
> >
> >  ----------------------
> >
> >  Jim Maas
> >  University of East Anglia
> >
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