Preface
Notes on the Eighth Edition
Acknowledgments
1 Stata and Stata Resources
A Typographical Note
An Example Stata Session
Stata’s Documentation and Help Files
Searching for Information
StataCorp
The Stata Journal
Books Using Stata
2 Data Management
Example Commands
Creating a New Dataset by Typing in Data
Creating a New Dataset by Copy and Paste
Specifying Subsets of the Data: in and if Qualifiers
Generating and Replacing Variables
Missing Value Codes
Using Functions
Converting Between Numeric and String Formats
Creating New Categorical and Ordinal Variables
Using Explicit Subscripts with Variables
Importing Data from Other Programs
Combining Two or More Stata Files
Collapsing Data
Reshaping Data
Using Weights
Creating Random Data and Random Samples
Writing Programs for Data Management
3 Graphs
Example Commands
Histograms
Box Plots
Scatterplots and Overlays
Line Plots and Connected-Line Plots
Other Twoway Plot Types
Bar Charts and Pie Charts
Symmetry and Quantile Plots
Adding Text to Graphs
Graphing with Do-Files
Retrieving and Combining Graphs
Graph Editor
Creative Graphing
4 Survey Data
Example Commands
Declare Survey Data
Design Weights
Poststratification Weights
Survey-Weighted Tables and Graphs
Bar Charts for Multiple Comparisons
5 Summary Statistics and Tables
Example Commands
Summary Statistics for Measurement Variables
Exploratory Data Analysis
Normality Tests and Transformations
Frequency Tables and Two-Way Cross-Tabulations
Multiple Tables and Multi-Way Cross-Tabulations
Tables of Means, Medians and Other Summary Statistics
Using Frequency Weights
6 ANOVA and Other Comparison Methods
Example Commands
One-Sample Tests
Two-Sample Tests
One-Way Analysis of Variance (ANOVA)
Two- and N-Way Analysis of Variance
Factor Variables and Analysis of Covariance (ANCOVA)
Predicted Values and Error-Bar Charts
7 Linear Regression Analysis
Example Commands
Simple Regression
Correlation
Multiple Regression
Hypothesis Tests
Dummy Variables
Interaction Effects
Robust Estimates of Variance
Predicted Values and Residuals
Other Case Statistics
Diagnosing Multicollinearity and Heteroskedasticity
Confidence Bands in Simple Regression
Diagnostic Graphs
8 Advanced Regression Methods
Example Commands
Lowess Smoothing
Robust Regression
Further rreg and qreg Applications
Nonlinear Regression — 1
Nonlinear Regression — 2
Box–Cox Regression
Multiple Imputation of Missing Values
Structural Equation Modeling
9 Logistic Regression
Example Commands
Space Shuttle Data
Using Logistic Regression
Marginal or Conditional Effects Plots
Diagnostic Statistics and Plots
Logistic Regression with Ordered-Category y
Multinomial Logistic Regression
Multiple Imputation of Missing Values — Logit Regression Example
10 Survival and Event-Count Models
Example Commands
Survival-Time Data
Count-Time Data
Kaplan–Meier Survivor Functions
Cox Proportional Hazard Models
Exponential and Weibull Regression
Poisson Regression
Generalized Linear Models
11 Principal Component, Factor and Cluster Analysis
Example Commands
Principal Component Analysis and Principal Component Factoring
Rotation
Factor Scores
Principal Factoring
Maximum-Likelihood Factoring
Cluster Analysis — 1
Cluster Analysis — 2
Using Factor Scores in Regression
Measurement and Structural Equation Models
12 Time Series Analysis
Example Commands
Smoothing
Further Time Plot Examples
Recent Climate Change
Leads, Lags and Differences
Correlograms
ARIMA Models
ARMAX Models
13 Multilevel and Mixed-Effects Modeling
Example Commands
Regression with Random Intercepts
Random Intercepts and Slopes
Multiple Random Slopes
Nested Levels
Repeated Measurements
Cross-Sectional Time Series
Mixed-Effects Logit Regression
14 Introduction to Programming
Basic Concepts and Tools
Do-files
Ado-files
Programs
Local macros
Global macros
Scalars
Version
Comments
Looping
If ... else
Arguments
Syntax
Example Program:
multicat (Plot Many Categorical Variables)
Using
multicat
Help File
Monte Carlo Simulation
Matrix Programming with Mata
Dataset Sources
References
Index
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