Guide to Data Mining

Data mining has its application a numerous fields. Recommendation system is an interesting one among thousands of them.

Which similarity measure to use?

• If the data is subject to grade-inflation (different users may be using different scales) use Pearson.
• If the data is sparse consider using Cosine Similarity

Welcome to GitHub Pages.

This automatic page generator is the easiest way to create beautiful pages for all of your projects. Author your page content here using GitHub Flavored Markdown, select a template crafted by a designer, and publish. After your page is generated, you can check out the new branch:

$ cd your_repo_root/repo_name
$ git fetch origin
$ git checkout gh-pages

If you're using the GitHub for Mac, simply sync your repository and you'll see the new branch.