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
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