Feel happy to complete our 12th week with you!
Here are some important things for preparing for the 13th week, which is our last week of giving a lecture:
Weekly Quiz (you can click the highlights to get the related content)
- Please read the reading materials for Week 13 (three readings)
- Please finish the week 13 quiz before the class on 11/15 (Tuesday)
- This is our last weekly quiz! Woohoo!
Class Activity
- I set five extra credit points for our 11/17 (Thursday) class. Please come to the class to get them!
- 11/17 is our last lecturing class, I plan to take a photo with you guys. Please come to enjoy our time!
- Also, I plan to spend some time inviting you guys to write evaluations for me!
- Please come to help me! Thanks!
Your final group projects
- If you still don’t form a group, please let me know!
- If you formed a group, please send me an email with the names of your team members and tell me which day your team prefers to present!
Week 12 key takeaways
- structured data are recorded as well-defined fields that correspond to distinct variables. Examples like star rating, book price, book page, exam score, and sentiment score, ect.
- unstructured data, such as natural language writings, consist of a mishmash of semantic entities. Examples like book textual content, image, video, audio, etc.
- word clouds can visualize the most prominent terms in a collection of texts
- sentiment analysis categorizes whether a statement is positive or negative and assigns it a score accordingly
- sentiment analysis is a form of predictive analytics
- sarcasm is particularly difficult for sentiment analysis
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