STA 35B course webpage: Statistical Data Science 2
Spring 2026
Instructor: Akira Horiguchi (ahoriguchi@ucdavis.edu)
- If emailing me or the TA, include [STA 35B Spring 2026] in the subject line.
- Lectures: Mondays, Wednesdays and Fridays, 3:10 PM - 4:00 PM, (OLSON 205)
- Office hour: Wednesdays, 2:10 PM - 3:10 PM (Physical and Data Sciences Building 0003 – ignore the scary signs, Google Map Campus Map)
TA: Santosh Kandel (skandel@ucdavis.edu)
- Discussion: Thursdays, 5:10 PM - 6:00 PM, (TLC 2212)
- Office hour: Thursdays, 3:30 PM - 4:30 PM, (Location TBD)
Syllabus: here
Piazza: see Canvas
Textbooks: There will be two textbooks used for the course, both of which are freely available online.
- [R4DS2] Hadley Wickham, Mine Çetinkaya-Rundel, Garrett Grolemund (2023). R for Data Science, 2nd edition.
- [IMS2] Mine Cetinkaya-Rundel, Johanna Hardin (2024). Introduction to Modern Statistics, 2nd edition.
- This textbook and its supplements, including slides, labs, and interactive tutorials, may be downloaded for free here.
Helpful (Optional) Links all through UC Davis
Class Schedule
The exam and homework dates are set, but the lecture topics are subject to change.
| Wk | Day | Topics | Slides | References | Comments |
|---|---|---|---|---|---|
| 1 | Mar 30 (M) | Intro, review of R / dplyr | 01 | R4DS2 Ch3 | |
| Apr 1 (W) | dplyr, tidy data | 02 | R4DS2 Ch3 | ||
| Apr 2 (R) | Discussion | ||||
| Apr 3 (F) | Tidy data and transformations of logicals | 03 | R4DS2 Ch5,12 | HW 1 release | |
| 2 | Apr 6 (M) | Transformations of numbers | R4DS2 Ch13 | ||
| Apr 8 (W) | Transformations of strings | R4DS2 Ch14 | |||
| Apr 9 (R) | Discussion | ||||
| Apr 10 (F) | Regular expressions | R4DS2 Ch15 | HW 1 due 11pm HW 2 release | ||
| 3 | Apr 13 (M) | Dates and Times | R4DS2 Ch17 | ||
| Apr 15 (W) | Joins | R4DS2 Ch19 | |||
| Apr 16 (R) | Discussion | ||||
| Apr 17 (F) | Functions 1 | R4DS2 Ch25 | HW 2 due 11pm HW 3 release | ||
| 4 | Apr 20 (M) | Functions 2 | R4DS2 Ch25 | ||
| Apr 22 (W) | Visualization 1 | R4DS2 Ch9 | |||
| Apr 23 (R) | Discussion | ||||
| Apr 24 (F) | Visualization 2, review led by TA | R4DS2 Ch10-11 | HW 3 due 11pm HW 4 release | ||
| 5 | Apr 27 (M) | Midterm exam 1 | |||
| Apr 29 (W) | Foundations - randomization | IMS2 Ch11 | |||
| Apr 30 (R) | Discussion | ||||
| May 1 (F) | Foundations - bootstrapping | IMS2 Ch12 | HW 4 due 11pm HW 5 release | ||
| 6 | May 4 (M) | Foundations - mathematical models | IMS2 Ch13 | ||
| May 6 (W) | Foundations - decision errors | IMS2 Ch14 | |||
| May 7 (R) | Discussion | ||||
| May 8 (F) | Inference for a single proportion | IMS2 Ch15-16 | HW 5 due 11pm HW 6 release | ||
| 7 | May 11 (M) | Inference for comparing 2 proportions | IMS2 Ch17 | ||
| May 13 (W) | Inference for two-way tables | IMS2 Ch18 | |||
| May 14 (R) | Discussion | ||||
| May 15 (F) | Inference for a single mean | IMS2 Ch19 | HW 6 due 11pm HW 7 release | ||
| 8 | May 18 (M) | Inference for comparing 2 means | IMS2 Ch20 | ||
| May 20 (W) | Inference for comparing 2+ means | IMS2 Ch20-22 | |||
| May 21 (R) | Discussion | ||||
| May 22 (F) | Inference for comparing 2+ means | IMS2 Ch20-22 | HW 7 due 11pm HW 8 release | ||
| 9 | May 25 (M) | Memorial Day, no class | |||
| May 27 (W) | Midterm exam 2 | ||||
| May 28 (R) | Discussion cancelled | ||||
| May 29 (F) | Linear regression | IMS2 Ch7 | |||
| 10 | Jun 1 (M) | Linear regression | IMS2 Ch8,10 | ||
| Jun 3 (W) | Inference for regression | IMS2 Ch24 | HW 8 due 11pm | ||
| Jun 4 (R) | Discussion | ||||
| 11 | Jun 10 (W) | Final exam: 8:00 AM - 10:00 AM |