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Industrial Statistics with Minitab by Xavier Tort-Martorell Llabres, Lluis Marco Almagro, Pere Grima Cintas

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24.3 Cluster Analysis for Observations

Continue working with file LATIN_AMERICA.MTW. Now, the aim is to divide the countries in groups (clusters) of similar characteristics according to the information available.

Stat > Multivariate > Cluster Observations

nc24uf013.eps

Take a look at the output in the Session window (blank lines have been added in order to insert comments).

nc24uf014.eps
nc24uf015.eps

The graph shows the sequence of the clusters formation. The first one was that of observations 2 and 14 since these have the highest degree of similarity (least distance using the selected criterion). The second is the one of observations 7 and 12. The third one consists of the first cluster and observation 9, etc.

nc24uf016.eps

Some changes with respect to the default values:

nc24uf017.eps
nc24uf018.eps

24.3.1 Storage

nc24uf019.eps

Having identified to which cluster each ...

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