Hi,

Can anyone tell me how to find number of cluster for a data set.

I have a data set in following format


Group       var1      var2     var3
A               1             2         3
A               1             2         3
A               1             2         3
B.......
B.......
C
C....
C
C.....


I want to know for each group what is the optimum number of cluster.
like A- 2
      B-3
      C-5

please could anyone help.its very urgent.

Thanks

Sumit

	[[alternative HTML version deleted]]

