IE:DPC, Ch03: Examples of Types of Sampling
Channel: David Kaplan
Date: 03/12/2022

Several examples of different types of sampling, focusing on whether or not observations are independent and/or identically distributed (from the "before sampling" perspective).
Textbook (IE:DPC) "Introductory Econometrics: Description, Prediction, and Causality"
https://kaplandm.github.io/teach.html
https://www.themizzoustore.com/p-236916-introductory-econometrics-description-prediction-and-causality.aspx