Hello Everyone,
 
Just finished reading A Handbook of Statistical Analyses using R by Everitt and Hothorn. I'll begin by saying that I quite liked the book. It's both little and mighty in the sense that it's very compact but contains a tremendous amount of useful material.
 
The last chapter of the book deals with cluster analysis.  There's a package used in this chapter (I believe that it's called mclust) that charges an annual fee to non-academics. I did a little digging and found out that the annual cost for some one like me would be $100 but it would cost more for people in large companies. This isn't exactly outrageous but got me to wondering how many other packages might not be free. I searched online but didn't find much. 
 
Does anyone have any information about this?
 
Thanks,
 
Paul


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