Aspect ratio and limits

Deepayan Sarkar wrote:

Try (with a sufficiently recent version of R)

xyplot(y~x, data=xy, aspect="iso")

Is that what you want?

  Yes, that's the badger, as we say round here.

  Of course my two-point scatterplot is a simplification of the
actual data, which consists of nine lines something like a time
series, to be drawn in different line styles and with a key.