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Expand Up @@ -79,8 +79,8 @@ Thu, Oct 13 | [Experimental design (part II)](pages/oct13-counterbalancing.md) |
~~Tue, Oct 18~~ | ~~Fall break, no class~~ |
~~Thu, Oct 20~~ | ~~Fall break, no class~~ |
Tue, Oct 25 | [Experimental design (part III)](pages/oct25-experiment-stats.md) | [slides](slides/13-experiments-3.pdf)[video](https://www.youtube.com/watch?v=Qk8vNy3m3vU)
Thu, Oct 27 | [Intro to regression modeling + diagnostics](pages/oct27-regression-pt1.md) | [slides](slides/14-regression-1.pdf)
Tue, Nov 1 | Standardized coefficients + Mixed-effects |
Thu, Oct 27 | [Intro to regression modeling](pages/oct27-regression-pt1.md) | [slides](slides/14-regression-1.pdf)[video](https://youtu.be/HTC7dPY-F34)
Tue, Nov 1 | [Diagnostics, factors, std coefficients](pages/nov01-regression-pt2.md) | [slides](slides/15-regression-2.pdf)[video](https://www.youtube.com/watch?v=5p8wtSmwkEE)
Thu, Nov 3 | Exemplar regression papers |
Tue, Nov 8 | Simpson’s paradox + Mixed-effects |
Thu, Nov 10 | Interrupted time series design |
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59 changes: 59 additions & 0 deletions pages/nov01-regression-pt2.md
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## L15: Linear Regression (Part II) ([pdf](../slides/15-regression-2.pdf), [video](https://www.youtube.com/watch?v=5p8wtSmwkEE))

[![Lecture15-Regression-Diagnostics](../assets/images/15-regression-2.jpeg)](../slides/15-regression-2.pdf)

This is the second lecture in a series dedicated to regression modeling. We talked about some of the things that can go wrong when estimating linear models and how to diagnose those.

The importance of having a good understanding of linear regression before studying more complex statistical models cannot be overstated.


### Lecture Readings


> James, G., Witten, D., Hastie, T., & Tibshirani, R. (2013). [An introduction to statistical learning](https://www.academia.edu/download/60707896/An_Introduction_to_Statistical_Learning_with_Applications_in_R-Springer_201320190925-63943-2cqzhk.pdf) (Vol. 112, p. 18). Springer.
Chapter 3 reviews some of the key ideas underlying the linear regression model, as well as the least squares approach that is most commonly used to fit this model.

---

> Grolemund, G., & Wickham, H. (2018). [R for data science](https://r4ds.had.co.nz/index.html).
This book will teach you how to do data science with R: You’ll learn how to get your data into R, get it into the most useful structure, transform it, visualise it, and model it. In this book, you will find a practicum of skills for data science. Just as a chemist learns how to clean test tubes and stock a lab, you’ll learn how to clean data and draw plots—and many other things besides.

Chapters 22-24 (Modeling) are the most relevant for this lecture.

---

> Bruce, P., Bruce, A., & Gedeck, P. (2020). [Practical Statistics for Data Scientists: 50+ Essential Concepts Using R and Python](https://github.com/gedeck/practical-statistics-for-data-scientists). O'Reilly Media.
Chapter 4 covers regression modeling. Note the emphasis on prediction, instead of the more common goal of explanation in empirical research.

---

> Goodman, S. (2008). [A dirty dozen: Twelve p-value misconceptions](https://www.ohri.ca/newsroom/seminars/SeminarUploads/1829%5CSuggested%20Reading%20-%20Nov%203,%202014.pdf). In Seminars in Hematology (Vol. 45, No. 3, pp. 135-140). WB Saunders.
Among others, the paper addresses a common false belief that the probability of a conclusion being in error can be calculated from the data in a single experiment without reference to external evidence or the plausibility of the underlying mechanism.


### Additional Readings


> Woolridge, J. M. (2003). [Introductory econometrics: A modern approach](https://repository.fue.edu.eg/xmlui/bitstream/handle/123456789/2774/7831.pdf). Thomson, Mason.
Probably the most in-depth coverage of regression modeling possible. More emphasis on theory than other sources.

---

> F.E. Harrell, Jr., [Regression Modeling Strategies](https://hbiostat.org/doc/rms.pdf), Springer Series in Statistics.
- Chapter 1: Introduction
- Chapter 2: General aspects of fitting regression models (especially 2.1–2.3, 2.7)
- Chapter 4: Multivariable modeling strategies

---

> Freedman, D., Pisani, R., & Purves, R. (2007). [Statistics](https://wwnorton.com/books/9780393929720). W. W. Norton & Company.




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## L14: Intro to Linear Regression ([pdf](../slides/14-regression-1.pdf), video)
## L14: Intro to Linear Regression ([pdf](../slides/14-regression-1.pdf), [video](https://youtu.be/HTC7dPY-F34))

[![Lecture14-Regression-Intro](../assets/images/14-regression-1.jpeg)](../slides/14-regression-1.pdf)

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