QUANTITATIVE ANALYTIC TECHNIQUES I
(G4013)
Lecturer in Discipline: Gregory M. Eirich
gme2101@columbia.edu
Office Hours in 807A IAB: TBA
Teaching Assistant: Mathijs de Vaan
mathijsdevaan@gmail.com
Course Goals
This course is meant to introduce students to
QMSS Quantitative Analytic Techniques I Midterm, Fall 2012
Name _
Please answer these questions as completely as possible. Make sure you answer all parts of the question.
Calculations (22 points)
1. Among a random sample of American women (n=352), 11.8% o
Quantitative Analytic
Techniques I
Gregory M. Eirich
Lecturer in Discipline
Columbia University
1. The steps toward inferential
statistics
The Central Limit Theorem:
For any sample of large enough
size, the sampling distribution will
be normal, even if th
Data Analysis for the Social
Sciences
Gregory M. Eirich
Lecturer in Discipline
Columbia University
Quick clarification
The sample standard deviation
S.D. =
1.
2.
3.
4.
5.
Find the mean for the variable,
Subtract the mean from each observation, xi
Square
Data Analysis for the Social
Sciences
Gregory M. Eirich
Lecturer in Discipline
Columbia University
1
(c) Eirich 2012
1. The Residual
2
(c) Eirich 2012
Implications of the u: Unpacking the u
- Error term
- Disturbance
-Unobservables
Whatever affects our de
Quantitative Analytic Techniques I
Multiple Regression + More on Multiple
Regression + Regression Diagnostics
1. How are we doing multiple regression?
What does it mean to hold another
variable constant in a multiple
regression?
Example:
Does owning a hou
Quantitative Analytic Techniques I
Gregory M. Eirich
QMSS
(c) Eirich 2012
1
Agenda
1. Continuous by continuous interactions
2. Quadratics
3. Log-transformations
4. Making pretty tables
(c) Eirich 2012
2
A mechanism by which marriage can
increase WordSum?