PS 239: Quantitative Methodology in the Social Sciences Seminar
Course information
Professor: Jas Sekhon [homepage
 email]
GSI: Charlie Gibbons [homepage
 email]
Seminar: Mondays, 46
Location: Dwinelle 259
Section: Wednesdays, 57
Location: Dwinelle 89
My office hours: By appointment
Announcements
Section is canceled on March 18.
See links added below.
My office hours are by appointment only. I am happy to meet with
you, so feel free to email me to schedule a time.
The location of the seminar has been changed to Dwinelle 259.
Handouts
OLS, Matching, and Preprocessing:
Models Versus Design
Doing the TwoStep from Heckman
to Instrumental Variables
What's the Difference? Fixed
Effects and DifferenceinDifference Approaches
Applying Selection Models
and Fixed Effects to Incumbency Advantage: Levitt and Wolfram
(1997)
Robust Standard Errors
(see also the link to Freedman's paper below)
Logs Versus Levels
NonLinear Models: A Logit Example
Randomization Inference:
An Instrumental Variables Application
R Code
Time series bootstrap [code]
Clusterrobust
covariance matrix help file
Randomization inference for IV [code]
Plotting balance statistics [code
 data]
LaTeX
LaTeX implementation for Windows: TeXnicCenter
LaTeX implementation for Mac: MacTex
Phil
Spector's LaTex guide
Introductory LaTeX example [LaTeX
 PDF]
Graphics: From R to LaTex [R 
LaTeX  PDF]
Here are my style files. They should be placed into your tex >
latex folder [standard document
 Beamer presentation]
Links
Andy
Gelman on David Lee's incumbency advantage paper
Interesting
interpretation of structural modeling (notably starting with the
paragraph, "The structural approach. . .")
R Graphics Gallery
Ken
Train's Discrete Choice Methods course and textbook
Freedman, David A. 2006. “On the SoCalled ‘Huber Sandwich Estimator’
and ‘Robust’ Standard Errors.” The American Statistician.
60(4): 299–302. [ASA
 preprint]
Other resources
My PS 236 course page
Rocio Titiunik
has taught this course in the past and her course pages should
serve as an invaluable resource.
Fall 2006
Fall
2007
Spring
2008
Notes
on R: A Programming Environment for Data Analysis and Graphics
R quick reference
card
Econometrics
in R
Matrix
algebra reference site
A cartoon from XKCD.com:
My teaching materials are licensed under a
Creative Commons AttributionNoncommercial 3.0 United States License.
