[R] Change positions of columns in data frame

Peter Ehlers ehlers at ucalgary.ca
Fri Oct 23 17:02:15 CEST 2009

DF[ ,names(DF)[c(your_preferred_order)]]

  -Peter Ehlers

Joel Fürstenberg-Hägg wrote:
> Hi all,
> Probably a simple question, but I just can't find a simple answear in the older threads or anywhere else.
> I've added some new vectors as columns in a data frame using cbind(). As they're all put as the last columns inte the data frame, I would like to move them to specific positions. How do you do to change the position of a column in a data frame?
> I know I can use fieldTrial0809=data.frame(Sample_ID=as.factor(fieldTrial0809$Sample_ID), Plant_ID=as.factor(fieldTrial0809$Plant_ID), ...) to create a new data frame with the given columns in the specified order, but there must be an easier way..?
> All the best,
> Joel
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