Clustering — Use unemp.csv file to conduct Hierarchical clustering task. Remove the state column and use all of the remaining columns for distance calculation in the clustering task.
1. Use hierachical to generate clustering results for this data set.
2. Check the plot of the family of clusters.
3. Select k (i.e. the number of clusters) and determine the cluster id.
4. Check the State name and the Cluster ID.
5. Choose a different k value and repeat steps 3 and 4 above.