Hi, Yes. Use lines()
Regards, Carlos Ortega www.qualityexcellence.es On Tue, Aug 9, 2011 at 4:17 PM, Fernando Andreacci <fandrea...@gmail.com>wrote: > It worked, thanks. > > Is there a way to put a trend line through the boxplots? > > > On Tue, Aug 9, 2011 at 10:58 AM, David Winsemius <dwinsem...@comcast.net > >wrote: > > > > > On Aug 9, 2011, at 9:46 AM, Fernando Andreacci wrote: > > > > I'm trying to make a monthly boxplot using this: > >> > >> boxplot(varmeasure ~ vardates) > >> > >> vardates = [1] 10/1/2010 10/1/2010 10/1/2010 10/1/2010 10/1/2010 > 10/1/2010 > >> 10/1/2010 > >> [8] 10/1/2010 10/1/2010 11/1/2010 11/1/2010 11/1/2010 11/1/2010 > 11/1/2010 > >> .... > >> > >> varmeasure = [1] 0.0 26.0 0.2 -0.2 -1.2 -0.8 0.0 4.4 -0.6 > >> -0.2 14.4 -0.2 > >> [13] 4.8 4.0 2.8 3.2 3.8 3.2 -11.4 0.2 0.4 3.0 0.6 > >> 6.2 > >> .... > >> > >> > >> they have same size. > >> > >> > >> My problem is that R is ploting ordered by months and not by year and by > >> months > >> > >> I'm getting 1/1/2011, 10/1/2010, 11/1/2010, 2/1/2011 > >> > >> How can I plot it in chronological order? > >> > > > > By converting those character strings to dates. At the moment you seem to > > believe that R has the ability to "know" that you want these strings to > be > > dates. > > > > ?as.Date > > ?Dates > > > > -- > > > > David Winsemius, MD > > West Hartford, CT > > > > > > > -- > Fernando Andreacci > Biólogo > Fone +55 47 9921 4015 > +55 41 9921 3934 > fandrea...@gmail.com > > [[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. > > [[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.
