[R] 2D Matrix Plot

[Jim Lemon]

Jaydutt Bhalshankar wrote:
> Hello Everyone,
> 
> I am Naive user of 'R' statistical environment and still i'm in learning
> mode.
> 
> I would like to know how to plot 2D data graphically. i.e. how to color code
> each cell in 2D Matrix depending on it's value --- red equals bigger numbers
> and blue indicates smaller.
> 
> For example my 2D matrix is
> 
>    *4* *109.32* *108.06* *104.48* *3* *111.9* *105* *107.56* *2* *115.32* *
> 113.28* *111.3* *1* *117.8* *116.74* *116.42* *0* *123.06* *122.66* *123.68*
> ** *0* *1* *2*

Hi Jaydutt,

Have a look at the color.scale function in the plotrix package. It might 
do what you want in terms of generating a color scale corresponding to 
the numerical values in your matrix.

Jim