[R] saving multiple panes to PNG

Jannis bt_jannis at yahoo.de
Tue Nov 30 15:43:42 CET 2010

Do you want the stuff to appear on one page? Have you tried opening a 
device with multiple plots? For example via:




Other than that the documentation for the "vars" package gives you 
details for a plot function that may be used for plotting your irf 
objects. There is an argument (plot.type) that can be set to plot 
multiple plots on one page.


Charles Evans schrieb:
> After searching multiple combinations of keywords over the past two 
> days and downloading n R graphics tutorials, I have not been able to 
> find anything online or in my R books about how to save multiple plot 
> panes to PNG.
> Specifically, I am using the irf() function in the vars package to 
> generate plots of Impulse Response Functions:
> > x.data <- cbind(na.omit(returns(p[,2])),na.omit(returns(n[,2])))
> > colnames(x.data) <- c("p.ret","n.ret")
> > x.jo <- ca.jo(x.data,type="trace",ecdet="none",spec="transitory")
> > x.var <- vec2var(x.jo)
> > x.irf <- irf(x.var,n.ahead=30)
> > plot(x.irf)
> This results in a plot containing a pair of IRF graphs in Quartz and 
> the following message in the Console:
> "Hit <Return> to see next plot:"
> When one hits <Return>, the next pair of IRF graphs appears in Quartz.
> When I try to save the plots to PNG
> > png(...)
> > plot(...)
> > dev.off()
> I am able to save only one of the plots.  How does one tell plot() to 
> plot first one of the panes and then the second?
> Any help would be greatly appreciated.
> Yours,
> Charles Evans
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