[R] constrain min and max of output

[Vining, Kelly]

That is really quite clever!



-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Timothy Bates
Sent: Tuesday, October 25, 2011 6:03 AM
To: Jim Maas
Cc: r-help at r-project.org
Subject: Re: [R] constrain min and max of output

this works

x=1; y=-100; 
z = min(5, max(1, x+y));
z

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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