Returns a function suitable as the
filled.contour that contains a specified portion of the
a number giving where the colors should start. Valid numbers range from 0 (red) to 1 (also red).
a number giving where the colors should end. Valid numbers range from 0 (red) to 1 (also red).
a function similar to
rainbow but with the
end arguments (possibly) changed.
This function was made to facilitate the construction of contour
plots in the
alpha.proxy function, but is of general use.
This help was last revised 2010 January 05.
Burns, Patrick (2003). "Portfolio Sharpening". Working Paper, Burns Statistics http://www.burns-stat.com/.
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