An R companion to political analysis. (2017)

• Record Type: Book
• Authors: III, Pollock, Philip H; Edwards, Barry C
• Contents: List of Boxes and Figures; Preface; A Quick Reference Guide to R Companion Functions; Introduction: Getting Acquainted with R; About R; Installing R; A Quick Tour of the R Environment; Objects; Functions; Getting Help; Exercises; Chapter 1: The R Companion Package; Running Scripts; Ten Tips for Writing Good R Scripts; Managing R Output: Graphics and Text; Additional Software for Working with R; Debugging R Code; Exercises; Chapter 2: Descriptive Statistics; Interpreting Measures of Central Tendency and Variation; Describing Nominal Variables; Describing Ordinal Variables; Describing the Central Tendency of Interval Variables; Describing the Dispersion of Interval Variables; Obtaining Case-Level Information; Exercises; Chapter 3: Transforming Variables; Applying Mathematical and Logical Operators to Variables; Creating Indicator Variables; Changing Variable Classes; Adding or Modifying Variable Labels; Collapsing Variables into Simplified Categories; Centering or Standardizing a Numeric Variable; Creating an Additive Index; Exercises; Chapter 4: Making Comparisons; Cross-Tabulations and Mosaic Plots; Line Charts; Mean Comparison Analysis; Box Plots; Strip Charts; Exercises; Chapter 5: Making Controlled Comparisons; Cross-Tabulation Analysis with a Control Variable; Multiple Line Charts; The legend Function; Mean Comparison Analysis with a Control Variable; Exercises; Chapter 6: Making Inferences about Sample Means; Finding the 95 Percent Confidence Interval of the Population Mean; Testing Hypothetical Claims about the Population Mean; Making Inferences about Two Sample Means; Making Inferences about Two Sample Proportions; Exercises; Chapter 7: Chi-Square and Measures of Association; Analyzing an Ordinal-Level Relationship; Analyzing an Ordinal-Level Relationship with a Control Variable; Analyzing a Nominal-Level Relationship with a Control Variable; Exercises; Chapter 8: Correlation and Linear Regression; Correlation Analysis; Bivariate Regression with a Dummy Variable; Bivariate Regression with an Interval-Level Independent Variable; Multiple Regression Analysis; Multiple Regression with Ordinal or Categorical Variables; Weighted Regression with a Dummy Variable; Multiple Regression Analysis with Weighted Data; Weighted Regression with Ordinal or Categorical Independent Variables; Creating Tables of Regression Results; Exercises; Chapter 9: Visualizing Correlation and Regression Analysis; Visualizing Correlation; General Comments about Visualizing Regression Results; Plotting Multiple Regression Results; Interaction Effects in Multiple Regression; Visualizing Regression Results with Weighted Data; Special Issues When Plotting Observations with Limited Unique Values; Exercises; Chapter 10: Logistic Regression; Thinking about Odds, Logged Odds, and Probabilities; Estimating Logistic Regression Models; Interpreting Logistic Regression Results with Odds Ratios; Visualizing Results with Predicted Probabilities Curves; Probability Profiles for Discrete Cases; Model Fit Statistics for Logistic Regressions; An Additional Example of Multivariable Logistic Regression; Exercises; Chapter 11: Doing Your Own Political Analysis; Seven Doable Ideas; Importing Data; Writing It Up; Appendix; Table A.1 Alphabetical List of Variables in the GSS Dataset; Table A.2 Alphabetical List of Variables in the NES Dataset; Table A.3 Alphabetical List of Variables in the States Dataset; Table A.4 Alphabetical List of Variables in the World Dataset; About the Authors;
• Edition: Second edition
• Publisher Details: Washington, D.C : CQ Press
• Publication Date: 2017
• Extent: 1 online resource, illustrations
• Subjects: 320.02855133; Political statistics -- Computer programs; Analysis of variance -- Computer programs
• Languages: English
• ISBNs: 9781506368832
• Notes: Note: Description based on CIP data; resource not viewed.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.