Dear R users:  before I try to undertake my own rewrite, has anyone already
written a contour function that does not require a regularly spaced grid,
preferably plot.contour(x,y,z,...)?

(it would be nice if it were based on loess() and plot()?  further
annotations, changes, etc., would then be easier.)

sincerely, /iaw

----
Ivo Welch (ivo.welch@gmail.com)

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