# [R] Beginner problem - using mod function to print odd numbers

Eric Berger er|cjberger @end|ng |rom gm@||@com
Sat Jun 5 08:40:33 CEST 2021

```Typo
num <- num + i
should be
num <- num + 1

On Sat, Jun 5, 2021 at 9:38 AM Hasan Diwan <hasan.diwan using gmail.com> wrote:

> unlist(sapply(seq(1,100), function(n) { if(n %% 2) n })) yields:
>
>  [1]  1  3  5  7  9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45
> 47 49
> [26] 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95
> 97 99
>
> As for why your solution isn't working, if you'd like me to take a closer
> look and figure out exactly what you're doing wrong, let me know? -- H
>
> On Fri, 4 Jun 2021 at 23:09, nelpar <leavesofnyc using gmail.com> wrote:
>
> >
> > I don't understand. --
> >
> > 7%%2=1
> > 9%%2=1
> > 11%%2=1
> >
> > What aren't these numbers printing ?
> >
> >
> > num<-0
> > for (i in 1:100){
> >   num<-num+i
> > if (num%%2 != 0)
> >   print(num)
> > }
> >
> >
> > [1] 1
> > [1] 3
> > [1] 15
> > [1] 21
> > [1] 45
> > [1] 55
> > [1] 91
> > [1] 105
> > [1] 153
> > [1] 171
> > [1] 231
> > [1] 253
> > [1] 325
> > [1] 351
> > [1] 435
> > [1] 465
> > [1] 561
> > [1] 595
> > [1] 703
> > [1] 741
> > [1] 861
> > [1] 903
> > [1] 1035
> > [1] 1081
> > [1] 1225
> > [1] 1275
> > [1] 1431
> > [1] 1485
> > [1] 1653
> > [1] 1711
> > [1] 1891
> > [1] 1953
> > [1] 2145
> > [1] 2211
> > [1] 2415
> > [1] 2485
> > [1] 2701
> > [1] 2775
> > [1] 3003
> > [1] 3081
> > [1] 3321
> > [1] 3403
> > [1] 3655
> > [1] 3741
> > [1] 4005
> > [1] 4095
> > [1] 4371
> > [1] 4465
> > [1] 4753
> > [1] 4851
> >
> >
> >
> > --
> > Sent from: https://r.789695.n4.nabble.com/R-help-f789696.html
> >
> > ______________________________________________
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> > 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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> ______________________________________________
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> and provide commented, minimal, self-contained, reproducible code.
>

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