Ciao Paolo,
How about you show some row of your data?
How many columns have your data.frame? One?
By the way "data" is not a so good name for your data frame.
We will be very happy to help you
Kindly,
Miltinho
Brasile
On 2/11/08, 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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