df2 = df ?
G. On Thu, Feb 14, 2008 at 09:12:23AM -0800, joseph wrote: > > > Hi > > I have a data frame df1 in which I would like to multiply col1 > by 2. > > > The way I did it does not allow me to keep the old data > frame. > > > How can I do this and be able to create a new data frame > df2? > > > > df1= data.frame(col1= c(3, 5, NA, 1), col2= c(4, NA,6, > 2)) > > > > df1 > > > col1 col2 > > > 1 3 4 > > > 2 5 NA > > > 3 NA 6 > > > 4 1 2 > > > > df1$col1=df1$col1*2 > > > > df1 > > > col1 col2 > > > 1 6 4 > > > 2 10 NA > > > 3 NA 6 > > > 4 2 2 > > > > > > > ____________________________________________________________________________________ > Be a better friend, newshound, and > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. -- Csardi Gabor <[EMAIL PROTECTED]> UNIL DGM ______________________________________________ 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.
