[R] Change positions of columns in data frame

Tom Gottfried tom.gottfried at wzw.tum.de
Fri Oct 23 18:28:43 CEST 2009

You can change the order of nearly everything just by applying an appropriate index and assigning to
the original object. Something like

data <- data[,order_of_columns]


Joel Fürstenberg-Hägg schrieb:
> 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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