I am trying to save plots that I create using calls to windows() folowed by multiple calls to plot to place several plots on a page. I want to store the plots as variables to be able to recall them later. The documentation states: "Recorded plot histories are of class "SavedPlots". They have a print method, and a subset method. As the individual plots are of class "recordedplot" they can be replayed by printing them: see recordPlot. The active plot history is stored in variable .SavedPlots in the workspace."
But what does this mean "class SavedPlots"? Is class similar to a class in C++? Where are the plot() and metafile(), etc methods for this class? And if it is saved as a SavedPlots class, then what is a "recordedplot" class? Why the two names? Finally, the .SavedPlots does not appear in my workspace at all. Where did it go? Here is a code snippet, why does this not work: windows(); nf1 <- layout(matrix(1), widths=lcm(6), heights=lcm(6)) par(mfrow=c(2,2)); par (mfg=c(1,1)); plot( ...some stuff...); par (mfg=c(1,2); plot(....some more stuff...) par (mfg=c(2,1); plot(....some more stuff...) par (mfg=c(2,2); plot(....some more stuff...) plot_save=recordPlot(); # now some more code, doing other stuff, maybe more plots # now try to replay the saved plot: replayPlot(plot_save) This last line gives the following error: Error in replayPlot(plot_save) : A clipboard metafile can store only one figure. The documentation says that replayPlot() has a print method, so let's try that: we get the following error: Error: unexpected symbol in "replayPlot(lm_hr_plot).print" Can someone help me understand this, and get routines to save and replay plots? Thanks in advance...
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