Dear useRs, I'd like to produce some scatter plots where N units on the X axis are equal to N units on the Y axis (as measured with a ruler, on screen or paper). This approach x <- sample(10:200,40) ; y <- sample(20:100,40) windows(width=max(x),height=max(y)) plot(x,y) is better than plot(x,y) but doesn't solve the problem because of the other parameters (margins etc). Is there an easy, official way of sizing the axes to the same scale, one that would also work with multiple scatter plots being sent to the same pdf() - plus perhaps layout() or par(mfrow())?
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