This list has a no-homework policy. I assume that your teaching material has examples that are sufficiently similar so that you should be able to modify them.
-pd > On 8 Oct 2020, at 10:10 , Xavier Garcia via R-help <r-help@r-project.org> > wrote: > > I'm solving the following problem: Create a variable (column) in the “wf” > dataframe named “Zone” that takes value of “tropic” if Latitude is less > than or equal to 30, or “non-tropic” for Latitude greater than 30. Show you > Zone variable. Latitude is a column of my dataframe. I don't know the > sintaxis and the process to create the column. > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.