On Thursday 14 February 2008 06:12:23 pm joseph wrote: jo> I have a data frame df1 in which I would like to multiply col1 jo> by 2. jo> The way I did it does not allow me to keep the old data jo> frame. jo> jo> jo> How can I do this and be able to create a new data frame jo> df2? jo> jo> jo> > df1$col1=df1$col1*2
df$col3<-df1$col1*2 Stefan ______________________________________________ R-help@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.
