Having no idea what the object "no" is, or what the object "off_set"
is, it is difficult to understand what you are trying to do. Perhaps
if you substituted simple numbers in the example, such as
tab[ 1:5, 15]
it would be easier to understand.
Perhaps what you really want is cbind() or rbind(), not c().
Probably, it would be better to use ncol(tab) rather than length(tab).
-Don
At 6:38 PM +0100 12/7/05, [EMAIL PROTECTED] wrote:
>hi all
>
>Here is a small part of my code:
>
>tab_tmp<-tab[1:(no[off_set[i-1]+1]+(no[off_set[i]+1]-no[off_set[i-1]+1])),length(tab)];
>
>tab_tmp1<-tab[(no[off_set[i-1]+1]+(no[off_set[i]+1]-no[off_set[i-1]+1])):length(TotalFillTimeHours),length(tab)];
>
>tab<-c(tab_tmp,tab_tmp1);
>attach(tab);
>
>Here is the output:
>Error in attach(tab) : attach only works for lists and data frames
>Execution halted
>
>
>How do i concatenate them in order to keep the data frame structure?
>
>
>thks for your help
>guillaume
>
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--
--------------------------------------
Don MacQueen
Environmental Protection Department
Lawrence Livermore National Laboratory
Livermore, CA, USA
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