[R] Double AND within an IF statement

[Bert Gunter]

I would have assumed that age, etc. were vectors; but that's why I
said "almost" surely.

-- 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.
>
>