[R] Contour plot crest line

Michael Kubovy kubovy at virginia.edu
Tue Aug 2 15:33:52 CEST 2005


Any suggestions about drawing the ridge line on a response surface  
represented as a contour plot?

_____________________________
Professor Michael Kubovy
University of Virginia
Department of Psychology
USPS:     P.O.Box 400400    Charlottesville, VA 22904-4400
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         McCormick Road    Charlottesville, VA 22903
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