Statistics 131a: Statistical Methods for Data Science
UC Berkeley, Fall 2026
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Schedule 📅
Week 1
| Wed Aug 26: | Lecture 1 Welcome |
Slides |
|---|---|---|
| Thu Aug 27: | ||
| Fri Aug 28: | Lecture 2 EDA I |
Slides Lecture code |
Week 2
| Mon Aug 31: | Lecture 3 EDA II |
Slides Worksheet Lecture code |
|---|---|---|
| HW 1 Released |
Homework 1 |
|
| Tue Sep 1: | ||
| Wed Sep 2: | Lecture 4 Probability I |
Slides Worksheet |
| Thu Sep 3: | ||
| Fri Sep 4: | Lecture 5 Probability II |
Slides Worksheet |
| HW 1 DUE |
Homework 1 |
Week 3
| Mon Sep 7: | Holiday (Labor Day) | |
|---|---|---|
| Tue Sep 8: | ||
| Wed Sep 9: | Lecture 6 Probability III |
Slides |
| Thu Sep 10: | ||
| Fri Sep 11: | Lecture 7 Parallel Universes |
Slides Worksheet |
Week 4
| Mon Sep 14: | Lecture 8 Sampling distributions |
Slides Worksheet Demo (DataHub) Demo (GitHub) |
|---|---|---|
| HW 2 Released |
Homework 2 |
|
| Tue Sep 15: | ||
| Wed Sep 16: | Lecture 9 (Asynchronous recording) Sampling distributions Demo |
Slides |
| Thu Sep 17: | ||
| Fri Sep 18: | Lecture 10 Bootstrap |
Slides Worksheet Demo (DataHub) Demo (GitHub) |
| HW 2 DUE |
Homework 2 |
Week 5
| Mon Sep 21: | Lecture 11 Confidence intervals I |
Slides (TBD) Demo (TBD) Demo (TBD) Worksheet (TBD) |
|---|---|---|
| HW 4 Released (tentative) |
Homework 4 (TBD) |
|
| Tue Sep 22: | ||
| Wed Sep 23: | Lecture 12 Confidence intervals II |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
| Thu Sep 24: | ||
| Fri Sep 25: | Lecture 13 Confidence intervals III |
Demo (TBD) Demo (TBD) Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
Week 6
| Mon Sep 28: | Lecture 14 Hypothesis Testing I |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
|---|---|---|
| Tue Sep 29: | ||
| Wed Sep 30: | Lecture 15 MT1 Prep Lecture |
Annotated worksheet/slides (TBD) Worksheet/slides (TBD) |
| HW 4 DUE |
Homework 4 (TBD) |
|
| Thu Oct 1: | Exam Midterm 1 in CBTF offered today | |
| Fri Oct 2: | Exam Midterm 1 in CBTF offered today |
Week 7
| Mon Oct 5: | Lecture 16 Hypothesis Testing II |
Slides (TBD) Worksheet (TBD) |
|---|---|---|
| HW 5 Released (tentative) |
Homework 5 (TBD) |
|
| Tue Oct 6: | ||
| Wed Oct 7: | Lecture 17 Type I+II Errors and Multiple Testing |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
| Exam Midterm 1 retake in CBTF offered today | ||
| Thu Oct 8: | Exam Midterm 1 retake in CBTF offered today | |
| Fri Oct 9: | Lecture 18 Power and experiment planning |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
| HW 5 DUE |
Homework 5 (TBD) |
Week 8
| Mon Oct 12: | Lecture 19 Correlation and simple linear regression |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
|---|---|---|
| HW 6 Released (tentative) |
Homework 6 (TBD) |
|
| Tue Oct 13: | ||
| Wed Oct 14: | Lecture 20 Uncertainty in regression and Multiple regression |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
| Thu Oct 15: | ||
| Fri Oct 16: | Lecture 21 Closeness of fit |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
| HW 6 DUE |
Homework 6 (TBD) |
Week 9
| Mon Oct 19: | Lecture 22 Polynomial terms |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
|---|---|---|
| HW 7 Released (tentative) |
Homework 7 (TBD) |
|
| Tue Oct 20: | ||
| Wed Oct 21: | Lecture 23 Categorical Covariates |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
| Thu Oct 22: | ||
| Fri Oct 23: | Lecture 24 MT2 Review Lecture | |
| HW 7 DUE |
Homework 7 (TBD) |
Week 10
| Mon Oct 26: | Exam Midterm 2 in CBTF offered today | |
|---|---|---|
| Tue Oct 27: | Exam Midterm 2 in CBTF offered today | |
| Wed Oct 28: | Lecture 25 Interactions |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
| HW 8 Released (tentative) |
Homework 8 (TBD) |
|
| Thu Oct 29: | ||
| Fri Oct 30: | Lecture 26 Cross-validation |
Slides (TBD) Worksheet (TBD) |
Week 11
| Mon Nov 2: | Lecture 27 Linear probability models | |
|---|---|---|
| Exam Midterm 2 retake in CBTF offered today | ||
| Tue Nov 3: | Exam Midterm 2 retake in CBTF offered today | |
| Wed Nov 4: | Lecture 28 Logistic Regression I |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
| Thu Nov 5: | ||
| Fri Nov 6: | Lecture 29 Logistic Regression II |
Slides (TBD) Worksheet (TBD) Lecture code (TBD) |
| HW 8 DUE |
Homework 8 (TBD) |
Week 12
| Mon Nov 9: | Lecture 30 Classification error metrics I |
Slides (TBD) Worksheet (TBD) |
|---|---|---|
| HW 9 Released (tentative) |
Homework 9 (TBD) |
|
| Tue Nov 10: | ||
| Wed Nov 11: | Holiday (Veterans Day) | |
| Thu Nov 12: | ||
| Fri Nov 13: | Lecture 31 Classification error metrics II |
Slides (TBD) Worksheet (TBD) |
Week 13
| Mon Nov 16: | Lecture 32 Causal Inference I | |
|---|---|---|
| HW 10 Released (tentative) |
Homework 10 (TBD) |
|
| HW 9 DUE |
Homework 9 (TBD) |
|
| Tue Nov 17: | ||
| Wed Nov 18: | Lecture 33 Causal Inference II | |
| Thu Nov 19: | ||
| Fri Nov 20: | Lecture 34 A brief overview of statistical methods |
Slides (TBD) Worksheet (TBD) |
Week 14
| Mon Nov 23: | Lecture 35 k-means clustering |
Slides (TBD) Worksheet (TBD) |
|---|---|---|
| Tue Nov 24: | HW 10 DUE |
Homework 10 (TBD) |
| Wed Nov 25: | Holiday (Thanksgiving) | |
| Thu Nov 26: | Holiday (Thanksgiving) | |
| Fri Nov 27: | Holiday (Thanksgiving) |
Week 15
| Mon Nov 30: | Lecture 36 MT3 Prep Lecture |
Practice problems on bcourses (TBD) |
|---|---|---|
| Tue Dec 1: | ||
| Wed Dec 2: | Exam Midterm 3 in CBTF offered today | |
| Thu Dec 3: | Exam Midterm 3 in CBTF offered today | |
| Fri Dec 4: | Lecture 37 Decision Trees / Random Forests |
Slides (TBD) Worksheet (TBD) |
Week 16
| Mon Dec 7: | Exam Midterm 3 retake in CBTF offered today | |
|---|---|---|
| Tue Dec 8: | Exam Midterm 3 retake in CBTF offered today |
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