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clustering- yet again [message #56243]

Tue, 09 October 2007 14:05

nivedita.raghunath
Messages: 15
Registered: July 2006

Junior Member

Hi All,

The clustering saga never ended!

I have a large dataset with 5 visibly distinct clusters. Based on
advice from y'all, I tried standardize() and it worked to some extent.
It finds 4 clusters. I have a good idea about my input variables-
included the variable_wts option and tried, yet with no success.

This is the number of samples it returns in each cluster:

IDL> print,clust_num
6.00000
28903.0
25205.0
37694.0
42458.0

It put only 6 samples into cluster 0, whereas actually I have samples
in the range 25000 or so. The remaining samples have been put into
cluster 4 (and I can visually see that 0 and 4 are NOT close).

Any ideas on this?

My dataset is very huge to post here, but if anyone is willing to
help, I can mail it.

Sincerely,
Nivedita

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