Is there a function available in R that implements Mojena's Upper Tail Rule or that draws a Mojena plot? 
   
  I would also like to find a function that implements Duda and Hart's stopping rule.
   
  Finally with function cophenet how can I achieve a straightforward Cophenet correlation coefficient (i.e. one number for example 0.876) that gives the agreement between the structure of the data as interpreted by the clustering method and the original data?
   
  If anyone could let me know where I can find a script file for these functions I would greatly appreciate it.


Kind regards


Dr Graham Leask
Economics and Strategy Group
Aston Business School
Aston University
Aston Triangle
Birmingham
B4 7ET

Tel: Direct line 0121 204 3150
email g.leask@aston.ac.uk
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