1. What are data elements and why are they important? Give one definition and two reason why they are important.

2. Compare and contrast two differences between the following clustering types: prototype-based and density-based

Please clearly LIST your response out to all THREE (3) questions and ensure to cite the specific article with the binary transaction of data set. I will be examing this for myself and other students should verify this as well. Provide the Author, YYYY and specific page number, with any content brought into the discussion.

DQ requirement: Note that the requirement is I recommend your initial posting to be 300 words All writing, including your initial posts and peer post must use properly formatted APA in-text citations and scholarly reference. NO Copying and Pasting from the Internet