airquality$Month <- factor(airquality$Month, levels=1:12, labels=month.name )
On September 20, 2018 10:14:41 AM PDT, AbouEl-Makarim Aboueissa <abouelmakarim1...@gmail.com> wrote: >Dear All: > >*Re:* How to make the Month variable be called “May”,“June”, "July", >"August", "September" instead of a numeric quantity (5,6,7,8,9) > > >In the airquality data set, please see the code below; How to make the >Month variable be called “May”,“June”, "July", "August", "September" >instead of a numeric quantity (5,6,7,8,9) > > > >data(airquality) > >head(airquality) > > >#### Making Day and Month categorical variables > > >airquality$Day <- factor(airquality$Day) > >airquality$Month <- factor(airquality$Month) > > >head(airquality) > > >> head(airquality) > Ozone Solar.R Wind Temp Month Day >1 41 190 7.4 67 5 1 >2 36 118 8.0 72 5 2 >3 12 149 12.6 74 5 3 >4 18 313 11.5 62 5 4 >5 NA NA 14.3 56 5 5 >6 28 NA 14.9 66 5 6 >> > > > >Thank you very much for your help in advance > > >with thanks >abou >______________________ > > >*AbouEl-Makarim Aboueissa, PhD* > >*Professor of Statistics* >*Graduate Coordinator* > >*Department of Mathematics and Statistics* >*University of Southern Maine* > > [[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. -- Sent from my phone. Please excuse my brevity. ______________________________________________ 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.
