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I have a 2x2 plot set up using: par(mfrow=c(2,2)) I'd like to put an overall title on the page, but I cannot figure out how. Any ideas? [[alternative HTML version deleted]]

Dear R Users, I am attempting to place a title to a graph with multiple plots that should go across the top of all the graphs, and not just one of them. I am using mfrow in par to plot. Can anyone suggest if and how this could be done ? Thanks in advance, Tolga