I think that coppie is a list, so
length(coppie[[1]])
On 11/02/2008, Paolo Grillo <[EMAIL PROTECTED]> wrote:
>
> Hi all
> I have this problem:
> In my database .dta, called "data" I have five rows
> data<-read.dta("C:\\2_CO_mmobile_ALL_Rid.dta")
> # From this database I wuold like to create another
> coppie<-c(data[4:length(data)])
> but I find this
>
> # Length of original data
> length(data[,4])
> 5 RIGHT!!
> # Length of new data
> length(coppie[1])
> 1 WHY??
> Thank you all for your help
> Paolo Grillo
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--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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