Buch, Englisch, 480 Seiten, Format (B × H): 187 mm x 232 mm, Gewicht: 955 g
Buch, Englisch, 480 Seiten, Format (B × H): 187 mm x 232 mm, Gewicht: 955 g
ISBN: 978-1-0719-2942-1
Verlag: SAGE Publications, Inc
An Introduction to Political and Social Data Analysis (With R) provides students with an accessible overview of practical data analysis while also providing a gentle introduction to the R programming environment. Author Thomas M. Holbrook patiently explains each step in statistical analysis with R, avoiding complicated tools or packages.
Autoren/Hrsg.
Fachgebiete
Weitere Infos & Material
Chapter 1: Introduction to Research and Data
Political and Social Data Analysis
Data Analysis or Statistics?
Uses of Data Analysis
The Research Process
Other Data-Related Issues
Causal Language
Next Steps
Exercises
Chapter 2: Using R to Do Data Analysis
Accessing R
Opening RStudio
Understanding Where R (or Any Program) Fits In
Time to Use R
Some R Terminology
Managing Files and Output
Next Steps
Exercises
Chapter 3: Frequencies and Basic Graphs
Get Ready
Introduction
Frequencies
Graphing Outcomes
Next Steps
Exercises
Chapter 4: Data Preparation
Get Ready
Introduction
Data Transformations
Collapsing and Reordering Categories
Combining Variables
Save Your Changes
Next Steps
Exercises
Chapter 5: Measures of Central Tendency
Get Ready
Central Tendency
Mode
Median
The Mean
Mean, Median, and the Distribution of Variables
Skewness Statistic
Adding Legends to Graphs
Next Steps
Exercises
Chapter 6: Measures of Dispersion
Get Ready
Introduction
Measures of Spread
Dispersion Around the Mean
Dichotomous Variables
Dispersion in Categorical Variables?
The Standard Deviation and the Normal Curve
Calculating Area Under a Normal Curve
One Last Thing
Next Steps
Exercises
Chapter 7: Probability
Get Ready
Probability
Theoretical Probabilities
Empirical Probabilities
The Normal Curve and Probability
Next Steps
Exercises
Chapter 8: Sampling and Inference
Get Ready
Statistics and Parameters
Sampling Error
Sampling Distributions
Proportions
Confidence Intervals
Next Steps
Exercises
Chapter 9: Hypothesis Testing
Get Ready
The Logic of Hypothesis Testing
Direct Hypothesis Tests
Proportions
T-Distribution
Types of Error
t-test in R
Next Steps
Exercises
Chapter 10: Hypothesis Testing with Two Groups
Get Ready
Testing Hypotheses About Two Means
Hypothesis Testing With Two Means
Difference in Proportions
Plotting Mean Differences
What’s Next?
Exercises
Chapter 11: Hypothesis Testing With Multiple Groups (ANOVA)
Get Ready
Internet Access as an Indicator of Development
The Relationship Between Wealth and Internet Access
Analysis of Variance
Anova in R
Effect Size
Connecting the t-score and F-ratio
Next Steps
Exercises
Chapter 12: Hypothesis Testing with Non-Numeric Variables (Crosstabs)
Get Ready
Crosstabs
Sampling Error
Hypothesis Testing With Crosstabs (Chi-square)
Get Ready
Directional Patterns in Crosstabs
Limitations of Chi-square
Next Steps
Exercises
Chapter 13: Measures of Association
Get Ready
Going Beyond Chi-squared
Measures of Association for Crosstabs
Ordinal Measures of Association
Revisiting the Gender Gap in Abortion Attitudes
Next Steps
Exercises
Chapter 14: Correlation and Scatterplots
Get Ready
Relationships Between Numeric Variables
Scatterplots
Pearson’s r
Variation in Strength of Relationships
Proportional Reduction in Error
Correlation and Scatterplot Matrices
Overlapping Explanations
Next Steps
Exercises
Chapter 15: Simple Regression
Get Ready
Linear Relationships
Ordinary Least Squares Regression
How Well Does the Model Fit the Data?
Proportional Reduction in Error
Getting Regression Results in R
Understanding the Constant
Organizing the Regression Output
Revisiting Life Expectancy
Important Caveat
Adding Regression Information to Scatterplots
Next Steps
Exercises
Chapter 16: Multiple Regression
Get Ready
Multiple Regression
Model Accuracy
Predicted Outcomes
Revisiting Presidential Votes in the States
Next Steps
Exercises
Chapter 17: Advanced Regression Topics
Get Ready
Incorporating Access to Health Care
Multicollinearity
Checking on Linearity
Which Variables Have the Greatest Impact?
Statistics Versus Substance
Next Steps
Exercises
Chapter 18: Regression Assumptions
Get Ready
Regression Assumptions
Next Steps
Exercises
Appendix A: Codebooks
Appendix B: Quarto Tutorial
Appendix C: Hidden R Code
Endnotes
Index




