[R] heatmap

Jinrui Xu jinruixu at umich.edu
Tue Sep 6 21:14:13 CEST 2011

Hi Sarah,

To me, the heatmap function calculates "density value"  for each grid  
of the heatmap automatically from the input matrix. In my case, I  
already got the "density value" as a vector, say Z. I want to plot a  
heat map with x and y as is axsis and z values as the "density" of  
grid. I am not familiar with R code, so I am writting to ask how to.  


Quoting Sarah Goslee <sarah.goslee at gmail.com>:

> You mean like the examples in help("heatmap") ?
> On Tue, Sep 6, 2011 at 1:20 PM, Jinrui Xu <jinruixu at umich.edu> wrote:
>> Hi everyone,
>> I have three numerica vectors: x, y, z. I want to plot a heatmap or surface
>> plot of z against x and y. Is there any package for this? If possible,
>> please drop me several lines of example code. Thanks!
>> jinrui,
> --
> Sarah Goslee
> http://www.functionaldiversity.org

Ph.D Student, Bioinformatics Program
Center for Computational Medicine and Bioinformatics (CCMB)
The University of Michigan
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