[R] axis in an image() plot

[jim holtman]

If you data is a matrix, then try:

image(1:5, 1:14, data.rect)
text(row(data.rect), col(data.rect), data.rect)


On 11/24/06, Ricardo Rodríguez - Your XEN ICT Team <webmaster at xen.net> wrote:
> Hi all,
>
> I've found quite usefull colored-grid created by image() but I'm facing a doubt I am not able to solve.
>
> Given the following data rectangle...
>
>         1  2  3  4  5  6  7  8  9 10 11 12 13 14
>      1 12 22  0  7  2  1  0  2  0  2  6 -3  0  3
>      2  0 -1  0  9  3 -4  0  0  0  0  3  0  0  0
>      3 29 45  6 12 16 85 -2  0 -3 -4 89 -1 -1  1
>      4  2  9  3  6 17  3 -2 -9 -2  8 -1  0  0  0
>      5 44 16 -3 21 23  3  2  1  0 -2 13 18 -5  2
>
> I am not able to draw x and y axis labeled 1 to 14 and 1 to 5 by 1. I've tried a number of options by using axis() to no avail.
>
> It will be also very helpfull to be able to draw the value of each x,y combination within its position in the grid. Text() seems to be the answer, but I am not able yet to get the correct position for each label.
>
> Please, could you point me in the right direction or offer some example?
>
> Thank you in advance,
>
> --
> Ricardo Rodríguez
> Your XEN ICT Team
>
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>


-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?