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3dnt
2008 Nov 25
2
Heat Maps
Dear List,
Does there exist a function that produces a heat map like this one
(image 3 of 4):
http://www.tdameritrade.com/tradingtools/options360.html?a=HDY&referrer=http%3A%2F%2Fquery.nytimes.com%2Fsearch%2Fsitesearch%3Fquery%3Dheatmaptype%3Dnyt
In addition to colors, two other main features I am intersted in are:
1. Proportionality in the size of the grid.
2. Mose-over capability.
I may have missed it, but I've had a look at heatmap() and other
similar functions, but to no avail.
Any help or pointers would be greatly appreciated....