I'm using standard barplot (Windows version 1.6.2 of R) to represent a certain weekly metric "v" and I would like to properly overlay on top of it its moving average "mean.8" (window of 8 weeks). I must be doing something wrong since the moving average (using "lines") doesn't overlay properly, i.e., both x-scales do not match!
 
...
barplot(v[8:length(v)], col=7)
lines(mean.8[1:length(mean.8)],   lty=1, lwd=2, col=2)
...
 
How do I make sure that both graphics are in synch as far as the x-scale and y-scales are concerned?
 
Thanks,

José A. S. Alegria

 

 

 

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