[R] How do you refer to the row above in a data frame ?

Henrique Dallazuanna wwwhsd at gmail.com
Thu Feb 7 17:20:43 CET 2008


If I understand:

data[nrow(data)+1,] <- data[nrow(data),] + 1

On 07/02/2008, ppaarrkk <simon_ecc at yahoo.co.uk> wrote:
>
> You have a two-dimensional data frame.
>
> Columns is easy, say
>
> col4 <- col3 - col2
>
> How do you do
>
> row3 <- row2 +1
>
> for example.
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O



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