> -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of Simon Kiss > Sent: Thursday, April 11, 2013 12:35 PM > To: r-help@r-project.org > Subject: [R] Adding time series to time graphs > > Hello: I have done this before but cannot figure out how to do it > again. > > I would like to graph campaign evolution of news stories on certain > topics. The campaign time period is as follows: > > campaign<-seq.Date(from=as.Date('2011-09-06'), to=as.Date('2011-10-5'), > by=1) > > I have a table of newspaper story frequencies containing a certain word > that can be turned into a data.frame (or not). I'll reproduce it as a > data.frame > > plotdf<-data.frame(story.dates=seq.Date(as.Date('2011-09- > 17'),as.Date('2011-09-30'), by=1), Freq=seq(1,14, by=1)) > > How do I overlay the frequency of newspaper stories in a line plot on a > graph where the x-axis is a series of dates twice as long as the time > series itself? The reason I'd like this is because I'd like to add a > couple of other story time series as well. They may appear at other > points in time in the campaign as well. > > Thanks. > Simon Kiss
Maybe use the xlim parameter with plot? with(plotdf, plot(story.dates,Freq, type='l', xlim=range(campaign))) Hope this is helpful, Dan Daniel J. Nordlund Washington State Department of Social and Health Services Planning, Performance, and Accountability Research and Data Analysis Division Olympia, WA 98504-5204 ______________________________________________ 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.
