[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
>  		 	   		  
> _________________________________________________________________
> Nya Windows 7 - Hitta en dator som passar dig! Mer information. 
> http://windows.microsoft.com/shop
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
>




More information about the R-help mailing list