Announcements

Welcome to Statistics I!

Syllabus

pdf version

html version

Readings

Coming soon!

Lecture notes

Lecture 01 Introduction and Descriptive Statistics

Lecture 02 Introduction to Stata and Descriptive Statistics

Lecture 03 Introduction to Probability

Lecture 04 Probability Distributions

Lecture 05 Sampling

Lecture 06 Sampling Distributions and Estimation

Lecture 07 Hypothesis Testing

Lecture 08 More Crosstab and Chi-square Examples

Lecture 08 Stata do-file

Lecture 09 Regression Part 1: Introduction and bivariate regression

Lecture 10 Regression Part 2: Multiple regression

Lecture 11 Regression Part 3: Transformations and non-linearity

Lecture 12 Regression Part 4: Inference

Lecture 13 Regression Part 5: More on Inference

Lecture 14 Regression Part 6: Dummy Variables and Interactions

Lecture 14 Stata do-file

Lecture 14 Stata log file

Lecture 14 Stata PUMS dataset

Lecture 15 Regression Part 7: Outliers and Influence [NOW DOWNLOADABLE AND WITH MORE REALISTIC EXAMPLE]

Lecture 16 Regression Part 8: Diagnostics

Lecture 16 Stata do-file

Lecture 16 Stata log file

Lecture 16 Stata GSS dataset

Problem sets

Problem Set 1

Problem Set 1 SAF dataset

Problem Set 1 Solutions Stata do-file

Problem Set 1 Solutions Stata do-file log

Problem Set 1 Solutions Stata dataset

Problem Set 2

Problem Set 2 Solutions

Problem Set 3

Problem Set 3 Solutions Stata do-file

Problem Set 3 Solutions Stata do-file log

Problem Set 4

Problem Set 4 Solutions Stata do-file

Problem Set 4 Solutions Stata do-file log

Problem Set 4 Solutions Stata SAF dataset

Problem Set 5

Problem Set 5 Robey dataset

Problem Set 5 Solutions Stata do-file

Problem Set 5 Solutions Stata do-file log

Problem Set 6

Problem Set 6 Solutions Stata do-file

Problem Set 6 Solutions Stata do-file log

Problem Set 6 Question 3 sample solution

Problem Set 7

Problem Set 7 GSS dataset

Problem Set 7 Solutions Stata do-file [MORE DETAILS ADDED TO QUESTION 2]

Problem Set 7 Solutions Stata do-file log

Exams

Exam 1

Exam 1 scores

Exam 1 solutions Stata do-file

Exam 1 solutions Stata log file

Useful links

Math skills

UCLA Stata Learning Resources

Richard Williams' Stata Highlights

Regression with Stata (free web book)

Stata Corporation

Stata Corporation Resources for Learning Stata

Stata and data analysis materials by Svend Juul

Powers & Xie book website (includes computing examples)

Documentation for desmat, Stata command for creating complex design matrices

General Social Survey Index

Download GSS Data here

IPUMS