df[ df$rate==slow, ]
On Mon, 2004-08-16 at 18:48, Randy Zelick wrote: > Hello there, > > Using 1.9.0 on WinXP... > > I have a data frame, one column of which is named "rate". The column has > text entries like "fast", "medium", "slow", "very slow", and so forth. I > have not tried to make them factors, but maybe R did this automatically. > > Anyway, I would like to display on the console rows that meet a rate > criterion. > > So I want to type something like: > > dataframe[rate=="slow"] > > and get back this sort of output: > > test subject trial rate score > > 34 B27 3 slow 27 > 55 B55 4 slow 34 > > where test, subject, trial, rate, and score are all the > dataframe's columns. > > How do I do that?? > > Thanks, > > =Randy= > > > R. Zelick email: [EMAIL PROTECTED] > Department of Biology voice: 503-725-3086 > Portland State University fax: 503-725-3888 > > mailing: > P.O. Box 751 > Portland, OR 97207 > > shipping: > 1719 SW 10th Ave, Room 246 > Portland, OR 97201 > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
