[R] Double AND within an IF statement

Duncan Murdoch murdoch.duncan at gmail.com
Wed Feb 24 17:24:34 CET 2016


On 24/02/2016 11:18 AM, Bert Gunter wrote:
> Almost surely no.
>
> You are confusing "&&" with "&"
>
> ?"&"

I think Bob had it right...

Duncan Murdoch

> -- Bert
>
>
> Bert Gunter
>
> "The trouble with having an open mind is that people keep coming along
> and sticking things into it."
> -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
>
> On Wed, Feb 24, 2016 at 8:10 AM, Robert Sherry <rsherry8 at comcast.net> wrote:
> > This should work:
> >     if ( age > 4 && age < 8 && infection > 0 ) replacement = 2
> >
> > Bob
> >
> > On 2/24/2016 7:08 AM, Polychronis KOSTOULAS wrote:
> >>
> >>
> >> Hi there,
> >>
> >> apologies if this is easy. I want to write this condition:
> >>
> >> If age is more than 4 years and less or equal to 8 years and infection is
> >> positive then replacement is 2.
> >>
> >> Can you help me the double END?
> >>
> >> Thanks,
> >> Polychronis
> >>
> >> ______________________________________________
> >> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >> 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.
> >>
> >
> > ______________________________________________
> > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > 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.
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> 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.



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