[R] Could anyone tell me how to plot a hierarchical clusterin g in a black-white color?

[Liaw, Andy]

Try using the argument col=gray(seq(0, 1, length=64)), or something like
that.

Andy

> From: Frank Duan
> 
> Dear R people,
> 
> I am trying to do a hierarchical clustering to a matrix using
> heatmap() function. But I like to have the plot to display in a
> black-white manner? Could anyone tell me how to do that?
> 
> Thank you.
> 
> Frank
> 
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