Solution 4.3 - Chemometrics: Data Analysis for the Laboratory and Chemical Plant

1. The correlation matrix is as follows.

2. Clustering is performed as follows. The highest correlation is joined first and indicated in bold. The correlation coefficients for the new groups equal the lowest correlation of each of the two linked parts of the group to the other groups.

Notice that there appear two subgroups in the data, namely BDE and CF. Object A appears not to resemble the other 5 objects very well.

3. A dendrogram looks as follows.