A writeup is available on HomePage - Atiqur Rahman's writeup collects all 6 lectures writeup in one place.
APPARENTLY, this is also in reference to DHSY Section 1, which does an exploratory data analysis of the Consumption Income data in UK by plotting it in various ways and fitting simple EDA type models. This distinction - regression as data description, versus regression as a causal mechanism, is completely lost on most students, because the distinction is never made in econometrics textbooks.
EM L03 Exploratory Data Analysis: Graphing Data - Original Lecture 3 of Applied Regression Analysis for PIDE Faculty - Uzma thesis on determinants of corporate philanthropy with clusters and outliers.