# [R] A challenging question: merging excel files under a specific pattern

Petr PIKAL petr.pikal at precheza.cz
Wed Jul 4 09:36:03 CEST 2012

```Hi

Well, this is help list for R not for Excel, maybe you shall contact
Microsoft guys. I believe that probably easiest would be to make a simple
macro in Excel.

If you want to do merging in R you shall go through help pages for

read.xls, merge, cbind, rbind and R data import/export manual.

Regards
Petr

>
> Dear all,
>
> I have an excel file that contains 6 sheets
>
> 1,2,3,4,5,6
>
> The analysis is repeated every 3 sheets
>
> Sheets 1, 2, 3:
>
> I want to add (horizontally) the data contained in the matrix : sheet2
> (5:end,3:end )
>
> of *Sheet2 * to the sheet3 such that the first element of the matrix
> *sheet2 (5:end,3:end ) *
>
> to occupy the location/cell sheet3(5,end+1 ) of sheet3.
>
> Say, that the output from this merging is sheetA. Then I want to add
> horizontally the data contained in the matrix : Sheet1 (5:end,3:end )
> of Sheet 1 to the sheetA * such that the first element of the matrix
> *sheet1 (5: end,3:end ) to occupy the location/cell sheetA(5,end+1 )
> of sheetA.
>
> As you can see
>
> 1)I add sheet2 (5:end,3:end ) * to *sheet3 at location *sheet3(5,end+1)
*
>
> 2) then I add sheet1 (5:end,3:end ) to the output sheetA that results
> from the merging of sheets 2 and 3 at location sheetA((5,end+1).
>
> 3) The output is named ,say, sheetAA
>
> Similarly analysis holds for the other block of sheets 4,5,6. That is,
>
> Sheets 4, 5, 6:
>
> 1)I add sheet5 (5:end,3:end ) to sheet6 at location sheet6(5,end+1)
>
> 2) then I add sheet4 (5:end,3:end ) to the output sheetB that results
> from the merging of sheets 5 and 6 at location sheetB((5,end+1).
>
> 3) The output is named, say, sheetBB
>
> In my case I have a large sequence of sheets that I have to merge in
> this way. That is,
>
> 1,2,3,4,5,6,7,8,9,10,11,12,13,…
>
> But the logic is the same as described above.
>
> Is there any “easy” way to do that kind of merging? . Because when you
> have 13*3 =39 sheets is a bit tedious to do that merging manually.
>
> thanks
>
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