[R] Help with graphic margin

[Filoche]

Hi there and thank you for reply.

I have been trying that, using mar to set margin around each plot and oma to
specify bottom space.  However, it wont display the xlab.

Here's my code :

pdf(file="/home/persican/Desktop/test.pdf", width = 3.5, height = 5.6,
pointsize = 8);

par(mfcol = c(3,1), mar = c(1,1,1,1), oma = c(10,1,1,1));

plot(x,y, pch = 21, bg = "gray", xaxt = "n", yaxt = "n", ylab = "ylab");
...

plot(x,y, pch = 21, bg = "gray", xaxt = "n", yaxt = "n", ylab = "ylab");
...

plot(x,y, pch = 21, bg = "gray", xaxt = "n", yaxt = "n", ylab = "ylab", xlab
="X axis");
axis(1, tck = 0.02);
axis(2, tck = 0.02);

dev.off();

This produce :  http://img837.imageshack.us/img837/5397/testpdfpages.jpg
http://img837.imageshack.us/img837/5397/testpdfpages.jpg 

As we can figure, we dont see the xlab on the last plot.

With regards,
Phil



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