In this problem, you will use the data and scenario described in this chapters example. The task

Question:

In this problem, you will use the data and scenario described in this chapter’s example. The task is to cluster the auto posts.

a. Following the example in this chapter, preprocess the documents, except do not create a label vector.

b. Use the LSA to create 10 concepts.

c. Before doing the clustering, state how many natural clusters you expect to find.

d. Perform hierarchical clustering using complete linkage criterion, and inspect the dendrogram.

i. From the dendrogram, how many natural clusters appear?

ii. Examining the dendrogram as it branches beyond the number of main clusters, select a subcluster and assess its characteristics.

e. Perform k-means clustering for two clusters, and report how distant and separated they are (using between-cluster distance and within-cluster dispersion).

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Machine Learning For Business Analytics

ISBN: 9781119828792

1st Edition

Authors: Galit Shmueli, Peter C. Bruce, Amit V. Deokar, Nitin R. Patel

Question Posted: