title: Multiple plots in a page with R
body: <p>I have a problem. I want to arrange 7 plots in a single page: 3 plots in a top line, 2 plots below and 2 other below. I could'nt make it work with layout(matrix=)) (I think because the top line has an odd number of plots). I have used aplot and image.plot to make the plots. Thanks. Henri</p>