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• date: 8 April 2025
• posted by: voska89

Causal Inference from First Principles Using Methods like Instrumental Variables and Difference-in-Differences and More

What you'll learn

Measure the causal impact of treatments for product analytics and policy evaluation
Think through causal inference problems from first principles
Map information you know about the world and the industry you work in into measures of causal impacts
Distinguish between what the data tells you about causal effects and what comes via your assumptions
Translate knowledge about how an industry or product works into bounds on treatment effects
Think carefully and deductively about making inference on treatment effects
Use instrumental variables with both heterogenous treatment effects and homogenous effects
Use the Conditional Independence Assumption to Identify Average Treatment Effects and the risks and potential bias from using the assumption
Use the parallel trends assumption to motivate difference-in-difference estimation, the downsides of the assumption, and a more robust alternative

Requirements

Basic statistics and probability. CDFs. Conditional Expectations.
Useful to have some background on linear regression.
Not a math-heavy course. Some algebra and basic properties of probability and expectations.

Description

The most common question you'll be asked in your career as a data scientist is: What was/is/will be the effect of X? In many roles, it's the only question you'll be asked. So it makes sense to learn how to answer it well.This course teaches you how to identify these "treatment effects" or "causal effects". It teaches you how to think about identifying causal relationships from first principles. You'll learn to ask:What does the data say by itself?What do I know about the world that the data doesn't know?What happens when I combine that knowledge with the data?This course teaches you how to approach these three questions, starting with a blank page. It teaches you to combine your knowledge of how the world works with data to find novel solutions to thorny data analysis problems.This course doesn't teach a "cookbook" of methods or some fixed procedure. It teaches you to think through identification problems step-by-step from first principles. As for specifics:This course takes you through various weak assumptions that bound the treatment effect—oftentimes, the relevant question is just: "Is the treatment effect positive?"—and stronger assumptions that pin the treatment effect down to a single value. We learn what the data alone—without any assumptions—tells us about treatment effects, and what we can learn from common assumptions, like:Random treatment assignment (Experimentation)Conditional independence assumptions (Inverse propensity weighting or regression analysis)Exclusion restrictions (Instrumental variable assumptions)Repeated Measurement assumptionsParallel Trends (Difference-in-difference)And many assumptions you will probably not see in other courses, like:Monotone instrumental variablesMonotone confoundingMonotone treatment selectionMonotone treatment responseMonotone trends(Why do they all include "monotone" in the name? The answer to that question is beyond the scope of this course.)Lectures include lecture notes, which make it easy to review the math step by step. The course also includes quizzes and assignments to practice using and applying the material.My background: I have a PhD in Economics from the University of Wisconsin — Madison and have worked primarily in the tech industry. I'm currently a Principal Data Scientist, working mainly on demand modeling and experimentation analysis problems—both examples of treatment effect estimation! I am from sunny San Diego, California, USA. I hope you'll try the Preview courses and enroll in the full course! I'm always available for Q/A.-Zach

Who this course is for

Data Scientists looking to expand their repertoire of methods for estimating causal effects
Data Scientists looking to improve their skills to derive novel approaches for measuring causal effects from first principles
People who know statistics but want to learn how to think carefully about identifying causal treatment effects
Anyone who wants to better understand how assumptions and data work together to identify treatment effects
Homepage:

https://www.udemy.com/course/identifying-causal-effects-for-data-scientists/

   
   
   

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