[R] Selecting numbers not divisible by 3

Pascal Oettli kridox at ymail.com
Thu Mar 27 12:32:11 CET 2014


Hello,

Something like that?

R> X <- 1:100
R> Y <- X %% 3
R> Y <- ifelse(Y==0, TRUE, FALSE)
R> X[Y]
 [1]  3  6  9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 66 69 72 75
[26] 78 81 84 87 90 93 96 99

HTH,
Pascal

On Thu, Mar 27, 2014 at 6:23 PM, Prabhakar Ghorpade
<dr.prabhakar08 at gmail.com> wrote:
> Hi,
> here's my code
>
> X <- 1:100
>
> I want to select number divisible by 3 out of them how can I select it?
>
> ( I tried following
> X <- 1:100
> DIV <- Y - > X/3
>
> But I am getting whole number and number with fractions. WHole intgers are
> my number of interest from original X. How can I traceback to number
> divisbile by 3. ?)
>
> Thanks
>
> Kind Regards,
> Prabhakar
>
>
>
> --
> Dr.Ghorpade Prabhakar B.
> Ph.D. Scholar ( Animal Biochemistry)
> Indian Veterinary Research Institute.
> India
>
>
>
> --
> Dr.Ghorpade Prabhakar B.
> Ph.D. Scholar ( Animal Biochemistry)
> Indian Veterinary Research Institute.
> India
>
>         [[alternative HTML version deleted]]
>
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-- 
Pascal Oettli
Project Scientist
JAMSTEC
Yokohama, Japan




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