[R] Double AND within an IF statement

Bert Gunter bgunter.4567 at gmail.com
Wed Feb 24 17:36:18 CET 2016


Yes!

-- 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 8:31 AM, Duncan Murdoch
<murdoch.duncan at gmail.com> wrote:
> On 24/02/2016 11:27 AM, Bert Gunter wrote:
>>
>> I would have assumed that age, etc. were vectors; but that's why I
>> said "almost" surely.
>
>
> Okay, so you were confusing if () with ifelse().
>
> 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 8:24 AM, Duncan Murdoch
>> <murdoch.duncan at gmail.com> wrote:
>> > 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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