Computer Science Homework Help

I’m working on a computer science question and need an explanation and answer to help me learn.

In chapter 8 we focus on cluster analysis.  Therefore, after reading the chapter answer the following questions:

What are the ?characteristics of data

Compare the difference in each of the following clustering types: prototype-based, density-based, graph-based.

1. What is a scalable clustering algorithm?
2. How do you choose the right algorithm?