[R] Sorting data frame by a string variable

[Peter Dalgaard]

Dimitri Liakhovitski wrote:
> I have a data frame MyData with 2 variables.
> One of the variables (String) contains a string of letters.
> How can I resort MyData by MyData$String (alphabetically) and then
> save the output as a sorted data file?
>
> I tried:
>
> o<-order(MyData$String)
> SortedData<-rbind(MyData$String[o], MyData$Value[o])
> write.table(SortedData,file="Sorted.txt",sep="\t",quote=F, row.names=F)
>
>
> However, all strings get replaced with digits (1 for the first string,
> 2 for the second string etc.). How can I keep the strings instead of
> digits?
>   

Why on earth are you trying to rbind() things together?

Anything wrong with

SortedData <- MyData[o,]
write.table(SortedData,...whatever...)

?

> Thank you!
> Dimitri
>
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