Data 198: Introduction to Real World Data Science

UC Berkeley, Fall 2025

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Week 0 Announcements

Aug 19 · 0 min read

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Week 1

Sep 23: 1 Welcome, Icebreakers, Data Science Lifecycle, Course Expectations 🧊; Lecture Slides; Checkpoint Project Checkpoint 0 (Due 9/30)

Week 1

Feb 10: 1 Welcome, Icebreakers, Data Science Lifecycle, Course Expectations 🧊; Lecture Slides; Checkpoint Project Checkpoint 1 (Due 2/28)

Week 2

Sep 30: 2 Useful Libraries, Introduction to Pandas, Project Group Reveals! 🐼; Lecture Slides; Readings Pandas 1, Pandas 2, Pandas 3; Demos Pandas; Resources Pandas API Reference; Checkpoint Project Checkpoint 1 (Due 10/07)

Week 2

Feb 17: Presidents’ Day! No class

Week 3

Oct 7: 3 Data Cleaning with Pandas 🧹; Lecture Slides, Jonathan’s Lightning Talk; Demos Data Cleaning with Pandas; Resources Data Cleaning Deepnote; Checkpoint Project Checkpoint 2 (Due 10/14)

Week 3

Feb 24: 2 Useful Libraries, Introduction to Pandas, Project Group Reveals! 🐼; Lecture Slides; Readings Pandas 1, Pandas 2, Pandas 3; Resources Pandas API Reference

Week 4

Oct 14: 4 Data Visualization, Exploratory Data Analysis 📈; Lecture Slides, Dhruv’s Lightning Talk; Demos Data Visualization

Week 4

Mar 3: 3 Data Cleaning with Pandas 🧹; Lecture Slides, Jonathan’s Lightning Talk; Demos Data Cleaning with Pandas; Resources Data Cleaning Deepnote

Week 5

Oct 21: 5 Career Panel and Hypothesis Testing 🔬; Lecture Slides; Demos Hypothesis Testing; Checkpoint [Project Checkpoint 3] (Due 10/28)

Week 5

Mar 10: 4 Data Visualization, Exploratory Data Analysis 📈; Lecture Slides; Demos Data Visualization; Checkpoint Project Checkpoint 2 (Due 03/17)

Week 6

Oct 28: 6 Basic Machine Learning Models 🎰; Lecture Slides; Demos Machine Learning; Survey DeCal Midsemester Feedback Reflection (Due 11/04)

Week 6

Mar 17: 5 Hypothesis Testing 🔬; Lecture Slides, Michael’s Lightning Talk!; Demos Hypothesis Testing; Survey DeCal Midsemester Feedback Reflection (Due 03/21); Checkpoint Project Checkpoint 3 (Due 03/31)

Week 7

Nov 4: 7 Machine Learning Evaluations and Cross Validation; Lecture Slides; Demos Machine Learning Evaluation

Week 7

Mar 24: Spring Break! No class

Week 8

Nov 11: Veterans Day! No class

Week 8

Mar 31: 6 Basic Machine Learning Models 🎰; Lecture Slides; Demos Machine Learning; Checkpoint Project Checkpoint 4 (Due 04/14)

Week 9

Nov 18: 8 Symposium 1; Lecture Mini Announcements

Week 9

Apr 7: 6 Career Panel; Lecture Slides; Checkpoint Project Checkpoint 4 (Due 04/14)

Week 10

Nov 25: Thanksgiving Break No class

Week 10

Apr 14: 7 Machine Learning Evaluations and Cross Validation; Lecture Slides; Demos Machine Learning Evaluation; Checkpoint Final Project Submission (Due 04/21)

Week 11

Dec 2: 9 Symposium 2; Lecture Mini Announcements
Dec 6: 10 Reflection; Survey DeCal Feedback Reflection (Due 12/06)

Week 11

Apr 21: 8 Symposium 1; Lecture Mini Announcements