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Data 100: Principles and Techniques of Data Science
UC Berkeley, Fall 2026
DataHub Pensive EdStem Office Hours Discussions & Tutoring
Week 1 Announcements
- Welcome to Week 1 of Data 100!
Schedule Jump to Current Week
Week 1
| Wed, Aug 26 | |||
| Thu, Aug 27 | Lecture 1
Introduction
Reading
Note 1
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Homework 0 ReleasedPrerequisite Math |
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| Fri, Aug 28 |
Week 2
| Mon, Aug 31 | |||
| Tue, Sep 01 | Lecture 2
EDA Part I
Reading
Note 2
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| Wed, Sep 02 | Discussion 1Prerequisites |
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| Thu, Sep 03 | Lecture 3
EDA Part II
Reading
Note 3
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Homework 1 ReleasedFood Safety I |
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| Fri, Sep 04 | Homework 0 DuePrerequisite Math and Coding |
Week 3
| Mon, Sep 07 | |||
| Tue, Sep 08 | Lecture 4
EDA Part III
Reading
Note 4
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Exam
Prerequisite Quiz Window Opens
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| Wed, Sep 09 | Discussion 2EDA I and EDA II |
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| Thu, Sep 10 | Lecture 5
EDA Part IV
Reading
Note 5
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Exam
Prerequisite Quiz Window Closes
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Homework 2 ReleasedFood Safety II |
| Fri, Sep 11 | Homework 1 DueFood Safety I |
Week 4
| Mon, Sep 14 | |||
| Tue, Sep 15 | Lecture 6
EDA Part V
Reading
Note 6
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| Wed, Sep 16 | Discussion 3EDA III, IV |
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| Thu, Sep 17 | Lecture 7
Regex
Reading
Note 7
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Homework 3 ReleasedNYT Articles |
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| Fri, Sep 18 | Homework 2 DueFood Safety II |
Week 5
| Mon, Sep 21 | |||
| Tue, Sep 22 | Lecture 8
Visualization
Reading
Note 8
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| Wed, Sep 23 | Discussion 4EDA V, Visualization, Review |
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| Thu, Sep 24 | Lecture 9
Sampling
Reading
Note 9
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Homework 4 ReleasedVisualization |
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| Fri, Sep 25 | Homework 3 DueNYT Articles |
Week 6
| Mon, Sep 28 | Exam
Quizterm 1 Window Opens
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| Tue, Sep 29 | Lecture 10
Modeling Part I
Reading
Note 10
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| Wed, Sep 30 | Discussion 5Regex, Sampling |
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| Thu, Oct 01 | Lecture 11
Modeling Part II
Reading
Note 11
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Exam
Quizterm 1 Window Closes
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Homework 5 ReleasedSampling, Modeling |
| Fri, Oct 02 | Homework 4 DueVisualization |
Week 7
| Mon, Oct 05 | |||
| Tue, Oct 06 | Lecture 12
Ordinary Least Squares Part I
Reading
Note 12
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| Wed, Oct 07 | Discussion 6Modeling |
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| Thu, Oct 08 | Lecture 13
Ordinary Least Squares Part II
Reading
Note 13
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| Fri, Oct 09 | Homework 5 DueSampling, Modeling |
Week 8
| Mon, Oct 12 | |||
| Tue, Oct 13 | Lecture 14
Gradient Descent Part I
Reading
Note 14
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| Wed, Oct 14 | Discussion 7OLS |
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| Thu, Oct 15 | Lecture 15
Gradient Descent Part II
Reading
Note 15
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| Fri, Oct 16 |
Week 9
| Mon, Oct 19 | |||
| Tue, Oct 20 | Lecture 16
Case Study HCE: CCAO
Reading
Note 16
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| Wed, Oct 21 | Discussion 8Gradient Descent |
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| Thu, Oct 22 | Lecture 17
Feature Engineering
Reading
Note 17
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Project A1 ReleasedHousing I |
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| Fri, Oct 23 |
Week 10
| Mon, Oct 26 | |||
| Tue, Oct 27 | Lecture 18
Cross-Validation / Regularization
Reading
Note 18
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| Wed, Oct 28 | Discussion 9CCAO, Feature Engineering, Review |
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| Thu, Oct 29 | Lecture 19
Random Variables
Reading
Note 19
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Project A2 ReleasedHousing II |
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| Fri, Oct 30 |
Project A1 DueHousing I |
Week 11
| Mon, Nov 02 | |||
| Tue, Nov 03 | Lecture 20
Estimators, Bias, & Variance
Reading
Note 20
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| Wed, Nov 04 | Exam
Quizterm 2 Window Opens
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| Thu, Nov 05 | Lecture 21
Parameter Inference & Bootstrap
Reading
Note 21
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Homework 6 ReleasedProbability |
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| Fri, Nov 06 | Exam
Quizterm 2 Window Closes
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Project A2 DueHousing II |
Week 12
| Mon, Nov 09 | |||
| Tue, Nov 10 | Lecture 22
Logistic Regression Part I
Reading
Note 22
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| Wed, Nov 11 | |||
| Thu, Nov 12 | Lecture 23
Logistic Regression Part II
Reading
Note 23
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Homework 7 ReleasedTBD |
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| Fri, Nov 13 | Homework 6 DueProbability |
Week 13
| Mon, Nov 16 | |||
| Tue, Nov 17 | Lecture 24
PCA / Clustering Part I
Reading
Note 24
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| Wed, Nov 18 | Discussion 12Logistic Regression II, PCA / Clustering I |
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| Thu, Nov 19 | Lecture 25
PCA / Clustering Part II
Reading
Note 25
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Project B1 ReleasedSpam & Ham I |
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| Fri, Nov 20 | Homework 7 DueTBD |
Week 14
| Mon, Nov 23 | |||
| Tue, Nov 24 | Lecture 26
TBD
Reading
Note 26
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Project B2 ReleasedSpam & Ham II |
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| Wed, Nov 25 | Discussion 13PCA / Clustering II (Recorded) |
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| Thu, Nov 26 | Holiday (Thanksgiving) |
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| Fri, Nov 27 | Holiday (Thanksgiving) |
Week 15
| Mon, Nov 30 |
Project B1 DueSpam & Ham I |
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| Tue, Dec 01 | Lecture 27
Guest Lecture
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| Wed, Dec 02 | Exam
Quizterm 3 Window Opens
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| Thu, Dec 03 | Lecture 28
Conclusion
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| Fri, Dec 04 | Exam
Quizterm 3 Window Closes
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Project B2 DueSpam & Ham II |
Week 16
| Mon, Dec 07 | RRR Week |
Exam
Quizterm Retakes Window Opens
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| Tue, Dec 08 | RRR Week |
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| Wed, Dec 09 | RRR Week |
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| Thu, Dec 10 | RRR Week |
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| Fri, Dec 11 | RRR Week |
Exam
Quizterm Retakes Window Closes
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Week 17
| Mon, Dec 14 | Finals Week |
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| Tue, Dec 15 | Finals Week |
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| Wed, Dec 16 | Finals Week |
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| Thu, Dec 17 | Finals Week |
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| Fri, Dec 18 | Finals Week |
Exam
Final (11:30 am - 2:30 pm)
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