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A Stata® Companion to Political Analysis
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A Stata® Companion to Political Analysis

Fourth Edition


October 2018 | 336 pages | CQ Press
 
Introduction: Getting Started
 
Datasets
 
CHAPTER 1: Introduction to Stata
Information about a Dataset  
Information about Variables  
Do-files  
Log Files  
Printing Results and Copying Output  
A Closer Look: Weighting the gss2012 and nes2012 Datasets  
Getting Help  
Exercises  
Notes  
 
CHAPTER 2: Descriptive Statistics
Interpreting Measures of Central Tendency and Variation  
Describing Nominal Variables  
Describing Ordinal Variables  
Describing Interval Variables  
Obtaining Bar Charts and Histograms  
Obtaining Case-Level Information with sort and list  
Exercises  
Notes  
 
CHAPTER 3: Transforming Variables
Transforming Categorical Variables  
Transforming Interval Variables  
A Closer Look: The xtil Command  
The label define and label values Commands  
Creating an Additive Index  
Creating Indicator Variables  
Exercises  
Notes  
 
CHAPTER 4: Making Comparisons
Cross-Tabulation Analysis  
Mean Comparison Analysis  
A Closer Look: The format Command  
A Closer Look: The replace Command  
Exercises  
Notes  
 
CHAPTER 5: Making Controlled Comparisons
Cross-Tabulation Analysis with a Control Variable  
A Closer Look: The If Qualifier  
Mean Comparison Analysis with a Control Variable  
Exercises  
Notes  
 
CHAPTER 6: Making Inferences about Sample Means
Describing a Sample Mean  
Testing the Difference Between Two Samples Means  
Extending the mean and lincom Commands  
Exercises  
Notes  
 
CHAPTER 7: Chi-Square and Measures of Association
Analyzing Ordinal-Level Relationships  
Analyzing an Ordinal-Level Relationship with a Control Variable  
Analyzing Nominal-Level Relationships  
Analyzing Unweighted Data with the tabulate Command  
Exercises  
Notes  
 
CHAPTER 8: Correlation and Linear Regression
The correlate Command and the regress Command  
A Closer Look: R-Squared and Adjusted R-Squared: What's the Difference?  
Creating a Scatterplot with a Linear Prediction Line  
Multiple Regression  
A Closer Look: Bubble Plots  
Correlation and Regression with Weighted Data  
Exercises  
Notes  
 
CHAPTER 9: Dummy Variables and Interaction Effects
Regression with Dummy Variables  
A Closer Look: The test Command  
Interaction Effects in Multiple Regression  
Graphing Linear Prediction Lines for Interaction Relationships  
Exercises  
Notes  
 
CHAPTER 10: Logistic Regression
The logit Command and the logistic Command  
Logistic References with Multiple Independent Variables  
A Closer Look: The estimates Command and the lrtest Command  
Working with Predicted Probabilities  
MERS-MEMS Hybrids  
Exercises  
Notes  
 
CHAPTER 11: Doing Your Own Political Analysis
Five Doable Ideas  
Inputting Data  
Writing It Up  
Notes  

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ISBN: 9781506379708
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