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

[Stefan Evert]

> 
> 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)
> }

Your code tests the numbers

	1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, …

and correctly prints the odd ones among them.

But I suppose that's not what you wanted to do?