mtb954 mtb954 wrote:
> Given the following dataframe:
>
> A=1:10
> B=(a-5)^2
> DATAFRAME=data.frame(A,B)
>
> How can I sort DATAFRAME increasing (or decreasing, for that matter)
> by B without making reference to A, or any other column?
>
> I've read ?order and ?sort but cannot seem to figure this out.
You should have tried RSiteSearch("sort dataframe") also, since there
are many examples in the archives of R-help.
A=1:10
B=(A-5)^2
mydata=data.frame(A,B)
mydata[order(mydata$B),]
mydata[rev(order(mydata$B)),]
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