I am trying to generate a figure of some genomic data. Basically, I want to 
show how many times a certain event happens within each one megabase window of 
each chromosome. The X axis is the chromosomal position (unit is megabases) and 
the Y axis is chromosome number (1-19, X, Y, M in mouse). For each chromosome, 
I want a subplot on which I will draw a bar graph. So basically, there will be 
22 subplots, each with their own axes, and also X and Y axes for the entire 
figure.

I know how to do subplots, I just don't know how to get the overall figure 
axes. Can anyone help?

I will try to sketch out below with some ascii art what I want in case this 
description isn't clear.


   | |||||||||||  |  |    ||||  ||||  | 
1  |--------------------------------------
   |    ||||    ||     |||||||     |||||
2  |--------------------------------------
   |
.  |
   |||||    || | | |||    ||||    ||
19 |--------------------------------------
   |   |||||| | |||  | |    ||
X  |--------------------------------------
   ||      |||             |||||
Y  |--------------------------------------
   |  ||      |||||          |||||
M  |--------------------------------------
   | 
    --------------------------------------
    0        50      100      150      200
                    Megabases


Thanks!

--
John Didion
Computational Biology, PhD Student
Fernando Pardo-Manuel de Villena Lab
UNC Chapel Hill

<<attachment: jdidion.vcf>>

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