Calculating TF-IDF

[sunhwap]

This issue deals with making user interact with school data via ESPN API.

[edit: changed title to reflect actual issue; ESPN API use/school data was covered in issue #5. -@britth]

[sunhwap]

We can use an existing library that will calculate TF-IDF for obtaining most frequent terms or use Scikit-learn to simplify bag of words to TF-IDF.

[sunhwap]

This link seems to be helpful for extracting terms using tf-idf.
http://stevenloria.com/finding-important-words-in-a-document-using-tf-idf/

[britth]

@sunhwap thanks for the link! definitely looks like some code we could modify for this