use append = TRUE inside your write.xlsx() function

On Thu, Dec 13, 2012 at 7:52 AM, Tammy Ma <metal_lical...@live.com> wrote:

>
> HI,
>
>
> I have large dataset of many countries. I have written the program to run
> through each country to generate one output for each country. I want to put
> the output like this:
>
> one sheet has output for one country. How do I achieve it by r.
>
> I have tried this:
> library(xlsx)
> write.xlsx(nnn, "vn.xlsx", sheetName="Sheet1")   [1]
>
> but when I change sheetName="Sheet2" to add up another country into one
> sheet. it autimatically deleted which I have down on [1].
>
> index<-unique(dataset$country)
> for (i in 1:length(index)){
>
> data<-dataset[dataset$country==index[i],]
> (...)
> output<-dd
> #then how do I create each country's output into one sheet of one excel???
>
> }
>
>
> Kind regards,
> Tammy
>
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>
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