Hi,
I am trying to plot densities given on a two dimensional grid. My
data is in the an external file, and is arranged in three columns:
x, y, density
how may i get a plot of this? i would like to get (1) a three
dimensional plot and (2) a color coded two dimensional plot.
I have tried using
image(x, y, density)
but i am asked to put the data in ascending order. i am not sure
how i may put grid points in an ascending order.
I would also like to know if i could use any other function, other
than image.
thank you in advance.
--
saurav
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