[R] object length

[Jim Lemon]

linda.s wrote:
> Why I got warning from the following code?
> 
>>assign("x", c(10, 5, 4, 2, 2))
>>y <- c(x, 0, x)
>>y
> 
>  [1] 10  5  4  2  2  0 10  5  4  2  2
> 
>>v <- 2*x + y + 1
> 
> Warning message:
> longer object length
>         is not a multiple of shorter object length in: 2 * x + y
> 
>>v
> 
>  [1] 31 16 13  7  7 21 21 14  9  7 23
> 
Because the y vector contains 11 elements and the x vector contains 5. 
The message is just to warn the user that the elements of the shorter 
vector will not be uniformly represented in the result.

Jim