[R] Renaming columns in data.frame, inserting/removing columns from data.frame

Witold Eryk Wolski wolski at molgen.mpg.de
Tue Feb 8 20:38:11 CET 2005


Ken Termiso wrote:

> Hello,
>
> I'm hoping that there is an easier way to rename columns in a data 
> frame other than by using the names() assignment, which requires you 
> to type in all the column names at once for a data.frame, in the case 
> that I simply want to rename a single column in a data frame.
>

names(mydataframe)[column.index]<-"new.name"

> Also, is there an easy way to move columns in a data frame around 
> relative to the other columns?
>
?subset
or
mydataframe[c("column3","column2","column1")]

> Thanks in advance,
> Ken
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html
>


-- 
Dipl. bio-chem. Witold Eryk Wolski
MPI-Moleculare Genetic
Ihnestrasse 63-73 14195 Berlin
tel: 0049-30-83875219                 __("<    _
http://www.molgen.mpg.de/~wolski      \__/    'v'
http://r4proteomics.sourceforge.net    ||    /   \
mail: witek96 at users.sourceforge.net    ^^     m m
      wolski at molgen.mpg.de




More information about the R-help mailing list