Message-ID: <4EA6B753.6020604@gmail.com>
Date: 2011-10-25T13:19:15Z
From: Duncan Murdoch
Subject: constrain min and max of output
In-Reply-To: <4F452CCA-A3C5-43A7-992F-6E7B517312AF@gmail.com>
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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> > and provide commented, minimal, self-contained, reproducible code.
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.