[R] Two way joining vs heatmap

Schalk Heunis schalk.heunis at enerweb.co.za
Mon Aug 31 20:42:02 CEST 2009


Thanks for the reply, do you know of any function or package that does
contain an implementation of two-way joining?  I looked at the biclust
package which implements several other (more modern?)  bi-clustering
techniques, but could not find two-way joining.

Schalk Heunis

On Mon, Aug 31, 2009 at 6:21 PM, Levi
Waldron<lwaldron.research at gmail.com> wrote:
> Hi Schalk,
> the heatmap function does not implement "two-way joining" as far as I know.
> It clusters rows and columns independently.  However if you find or program
> a method that implements two-way joining, you could use the row and column
> ordering it returns in your heatmap using the Rowv and Colv arguments to
> heatmap.
> -levi
> On Mon, Aug 31, 2009 at 2:25 AM, Schalk Heunis <schalk.heunis at enerweb.co.za>
> wrote:
>> Hi
>> STATISTICA has a function called "Two-way joining" (see
>> http://www.statsoft.com/TEXTBOOK/stcluan.html#twotwo) and the
>> reference material states that this is based on the method as
>> published by Hartigan (found this paper:
>> http://www.jstor.org/pss/2284710 through wikipedia).
>> What is the relationship (if any) between the "heatmap" function in R
>> and this technique? Is there an alternative function to use?
>> Thanks for the help!
>> Schalk Heunis
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> --
> Levi Waldron
> post-doctoral fellow
> Jurisica Lab, Ontario Cancer Institute
> Division of Signaling Biology
> TMDT 9-304D
> 101 College Street
> Toronto, Ontario M5G 1L7
> (416)581-7453

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