Re: [R] object length

From: Jim Lemon <bitwrit_at_ozemail.com.au>
Date: Wed 21 Dec 2005 - 14:43:19 EST

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



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