[R] Sorting a data set

[jim holtman]

If you want to sort by the columns with the names 'var1' and 'var2',
you would do:

newdata <- data[order(data$var1, data$var2), ]



On Wed, May 30, 2012 at 6:07 PM, tony.anderson <tony.anderson at noaa.gov> wrote:
> I am a novice user of R and am stumbling on how to order a dataset produced
> during my session.
>
> I have a 1863 row X 14 column dataset that I want to put out to a file.  I
> want the output sorted by the first column and then by the second column
> both in ascending order.  The first column is character and the second is
> numeric (I hope).  I used an "as.numeric" function to assign that variable.
>  Is there a reason R would not accept "0" or "00" as a numeric value?
>
> I have tried using the order function but the examples I have seen don't
> seem to translate for me.  I tried something like this assuming my dataset
> is called "data".
>
> datanew<-data[order(var1, var2),]
> print(datanew)
>
> This generates an "incorrect number of dimensions"  error in the order
> function.  I also tried listing all the variables in the parentheses.
>
> Your help is appreciated.
>
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-- 
Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.