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Viser: Regression Analysis and Linear Models - Concepts, Applications, and Implementation

Regression Analysis and Linear Models
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Regression Analysis and Linear Models Vital Source e-bog

Richard B. Darlington
(2016)
Guilford Publications
899,00 kr.
Leveres umiddelbart efter køb
Regression Analysis and Linear Models

Regression Analysis and Linear Models Vital Source e-bog

Richard B. Darlington
(2016)
Guilford Publications
540,00 kr.
Leveres umiddelbart efter køb
Regression Analysis and Linear Models - Concepts, Applications, and Implementation

Regression Analysis and Linear Models

Concepts, Applications, and Implementation
Richard B. Darlington og Andrew F. Hayes
(2016)
Guilford Publications
1.033,00 kr.
ikke på lager, Bestil nu og få den leveret
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Detaljer om varen

  • Vital Source searchable e-book (Fixed pages)
  • Udgiver: Guilford Publications (August 2016)
  • ISBN: 9781462527984
Ephasizing conceptual understanding over mathematics, this user-friendly text introduces linear regression analysis to students and researchers across the social, behavioral, consumer, and health sciences. Coverage includes model construction and estimation, quantification and measurement of multivariate and partial associations, statistical control, group comparisons, moderation analysis, mediation and path analysis, and regression diagnostics, among other important topics. Engaging worked-through examples demonstrate each technique, accompanied by helpful advice and cautions. The use of SPSS, SAS, and STATA is emphasized, with an appendix on regression analysis using R. The companion website (www.afhayes.com) provides datasets for the book's examples as well as the RLM macro for SPSS and SAS. Pedagogical Features: *Chapters include SPSS, SAS, or STATA code pertinent to the analyses described, with each distinctively formatted for easy identification. *An appendix documents the RLM macro, which facilitates computations for estimating and probing interactions, dominance analysis, heteroscedasticity-consistent standard errors, and linear spline regression, among other analyses. *Students are guided to practice what they learn in each chapter using datasets provided online. *Addresses topics not usually covered, such as ways to measure a variable’s importance, coding systems for representing categorical variables, causation, and myths about testing interaction.
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Detaljer om varen

  • Vital Source 180 day rentals (fixed pages)
  • Udgiver: Guilford Publications (August 2016)
  • ISBN: 9781462527991R180
Ephasizing conceptual understanding over mathematics, this user-friendly text introduces linear regression analysis to students and researchers across the social, behavioral, consumer, and health sciences. Coverage includes model construction and estimation, quantification and measurement of multivariate and partial associations, statistical control, group comparisons, moderation analysis, mediation and path analysis, and regression diagnostics, among other important topics. Engaging worked-through examples demonstrate each technique, accompanied by helpful advice and cautions. The use of SPSS, SAS, and STATA is emphasized, with an appendix on regression analysis using R. The companion website (www.afhayes.com) provides datasets for the book's examples as well as the RLM macro for SPSS and SAS. Pedagogical Features: *Chapters include SPSS, SAS, or STATA code pertinent to the analyses described, with each distinctively formatted for easy identification. *An appendix documents the RLM macro, which facilitates computations for estimating and probing interactions, dominance analysis, heteroscedasticity-consistent standard errors, and linear spline regression, among other analyses. *Students are guided to practice what they learn in each chapter using datasets provided online. *Addresses topics not usually covered, such as ways to measure a variable’s importance, coding systems for representing categorical variables, causation, and myths about testing interaction.
Licens varighed:
Bookshelf online: 180 dage fra købsdato.
Bookshelf appen: 180 dage fra købsdato.

Udgiveren oplyser at følgende begrænsninger er gældende for dette produkt:
Print: 30 sider kan printes ad gangen
Copy: højest 2 sider i alt kan kopieres (copy/paste)

Detaljer om varen

  • Hardback: 661 sider
  • Udgiver: Guilford Publications (September 2016)
  • Forfattere: Richard B. Darlington og Andrew F. Hayes
  • ISBN: 9781462521135
Emphasizing conceptual understanding over mathematics, this user-friendly text introduces linear regression analysis to students and researchers across the social, behavioral, consumer, and health sciences. Coverage includes model construction and estimation, quantification and measurement of multivariate and partial associations, statistical control, group comparisons, moderation analysis, mediation and path analysis, and regression diagnostics, among other important topics. Engaging worked-through examples demonstrate each technique, accompanied by helpful advice and cautions. The use of SPSS, SAS, and STATA is emphasized, with an appendix on regression analysis using R. The companion website (www.afhayes.com) provides datasets for the book's examples as well as the RLM macro for SPSS and SAS.

Pedagogical Features:
*Chapters include SPSS, SAS, or STATA code pertinent to the analyses described, with each distinctively formatted for easy identification.
*An appendix documents the RLM macro, which facilitates computations for estimating and probing interactions, dominance analysis, heteroscedasticity-consistent standard errors, and linear spline regression, among other analyses.
*Students are guided to practice what they learn in each chapter using datasets provided online.
*Addresses topics not usually covered, such as ways to measure a variable's importance, coding systems for representing categorical variables, causation, and myths about testing interaction.
List of Symbols and Abbreviations
1. Statistical Control and Linear Models
1.1 Statistical Control
1.1.1 The Need for Control
1.1.2 Five Methods of Control
1.1.3 Examples of Statistical Control
1.2 An Overview of Linear Models
1.2.1 What You Should Know Already
1.2.2 Statistical Software for Linear Modeling and Statistical Control
1.2.3 About Formulas
1.2.4 On Symbolic Representations
1.3
Chapter Summary
2. The Simple Regression Model
2.1 Scatterplots and Conditional Distributions
2.1.1 Scatterplots
2.1.2 A Line through Conditional Means
2.1.3 Errors of Estimate
2.2 The Simple Regression Model
2.2.1 The Regression Line
2.2.2 Variance, Covariance, and Correlation
2.2.3 Finding the Regression Line
2.2.4 Example Computations
2.2.5 Linear Regression Analysis by Computer
2.3 The Regression Coefficient versus the Correlation Coefficient
2.3.1 Properties of the Regression and Correlation Coefficients
2.3.2 Uses of the Regression and Correlation Coefficients
2.4 Residuals
2.4.1 The Three Components of Y
2.4.2 Algebraic Properties of Residuals
2.4.3 Residuals as Y Adjusted for Differences in X
2.4.4 Residual Analysis
2.5
Chapter Summary
3. Partial Relationship and the Multiple Regression Model
3.1 Regression Analysis with More Than One Predictor Variable
3.1.1 An Example
3.1.2 Regressors
3.1.3 Models
3.1.4 Representing a Model Geometrically
3.1.5 Model Errors
3.1.6 An Alternative View of the Model
3.2 The Best-Fitting Model
3.2.1 Model Estimation with Computer Software
3.2.2 Partial Regression Coefficients
3.2.3 The Regression Constant
3.2.4 Problems with Three or More Regressors
3.2.5 The Multiple Correlation R
3.3 Scale-Free Measures of Partial Association
3.3.1 Semipartial Correlation
3.3.2 Partial Correlation
3.3.3 The Standardized Regression Coefficient
3.4 Some Relations among Statistics
3.4.1 Relations among Simple, Multiple, Partial, and Semipartial Correlations
3.4.2 Venn Diagrams
3.4.3 Partial Relationships and Simple Relationships May Have Different Signs
3.4.4 How Covariates Affect Regression Coefficients
3.4.5 Formulas for bj, prj, srj, and R
3.5
Chapter Summary
4. Statistical Inference in Regression
4.1 Concepts in Statistical Inference
4.1.1 Statistics and Parameters
4.1.2 Assumptions for Proper Inference
4.1.3 Expected Values and Unbiased Estimation
4.2 The ANOVA Summary Table
4.2.1 Data = Model + Error
4.2.2 Total and Regression Sums of Squares
4.2.3 Degrees of Freedom
4.2.4 Mean Squares
4.3 Inference about the Multiple Correlation
4.3.1 Biased and Less Biased Estimation of TR2
4.3.2 Testing a Hypothesis about TR
4.4 The Distribution of and Inference about a Partial Regression Coefficient
4.4.1 Testing a Null Hypothesis about Tbj
4.4.2 Interval Estimates for Tbj
4.4.3 Factors Affecting the Standard Error of bj
4.4.4 Tolerance
4.5 Inferences about Partial Correlations
4.5.1 Testing a Null Hypothesis about Tprj and Tsrj
4.5.2 Other Inferences about Partial Correlations
4.6 Inferences about Conditional Means
4.7 Miscellaneous Issues in Inference
4.7.1 How Great a Drawback Is Collinearity?
4.7.2 Contradicting Inferences
4.7.3 Sample Size and Nonsignificant Covariates
4.7.4 Inference in Simple Regression (When k = 1)
4.8
Chapter Summary
5. Extending Regression Analysis Principles
5.1 Dichotomous Regressors
5.1.1 Indicator or Dummy Variables
5.1.2 Y Is a Group Mean
5.1.3 The Regression Coefficient for an Indicator Is a Difference
5.1.4 A Graphic Representation
5.1.5 A Caution about Standardized Regression Coefficients for Dichotomous Regressors
5.1.6 Artificial Categorization of Numerical Variables
5.2 Regression to the Mean
5.2.1 How Regression Got Its Name
5.2.2 The Phenomenon
5.2.3 Versions of the Phenomenon
5.2.4 Misconceptions and Mistakes Fostered by Regression to the Mean
5.2.5 Accounting for Regression to the Mean Using Linear Models
5.3 Multidimensional Sets
5.3.1 The Partial and Semipartial Multiple Correlation
5.3.2 What It Means If PR = 0 or SR = 0
5.3.3 Inference Concerning Sets of Variables
5.4 A Glance at the Big Picture
5.4.1 Further Extensions of Regression
5.4.2 Some Difficulties and Limitations
5.5
Chapter Summary
6. Statistical versus Experimental Control
6.1 Why Random Assignment?
6.1.1 Limitations of Statistical Control
6.1.2 The Advantage of Random Assignment
6.1.3 The Meaning of Random Assignment
6.2 Limitations of Random Assignment
6.2.1 Limitations Common to Statistical Control and Random Assignment
6.2.2 Limitations Specific to Random Assignment
6.2.3 Correlation and Causation
6.3 Supplementing Random Assignment with Statistical Control
6.3.1 Increased Precision and Power
6.3.2 Invulnerability to Chance Differences between Groups
6.3.3 Quantifying and Assessing Indirect Effects
6.4
Chapter Summary
7. Regression for Prediction
7.1 Mechanical Prediction and Regression
7.1.1 The Advantages of Mechanical Prediction
7.1.2 Regression as a Mechanical Prediction Method
7.1.3 A Focus on R Rather Than the Regression Weights
7.2 Estimating True Validity
7.2.1 Shrunken versus Adjusted R
7.2.2 Estimating TRS
7.2.3 Shrunken R Using Statistical Software
7.3 Selecting Predictor Variables
7.3.1 Stepwise Regression
7.3.2 All Subsets Regression
7.3.3 How Do Variable Selection Methods Perform?
7.4 Predictor Variable Configurations
7.4.1 Partial Redundancy (the Standard Configuration)
7.4.2 Complete Redundancy
7.4.3 Independence
7.4.4 Complementarity
7.4.5 Suppression
7.4.6 How These Configurations Relate to the Correlation between Predictors
7.4.7 Configurations of Three or More Predictors
7.5 Revisiting the Value of Human Judgment
7.6
Chapter Summary
8. Assessing the Importance of Regressors
8.1 What Does It Mean for a Variable to Be Important?
8.1.1 Variable Importance in Substantive or Applied Terms
8.1.2 Variable Importance in Statistical Terms
8.2 Should Correlations Be Squared?
8.2.1 Decision Theory
8.2.2 Small Squared Correlations Can Reflect Noteworthy Effects
8.2.3 Pearson''s r as the Ratio of a Regression Coefficient to Its Maximum Possible Value
8.2.4 Proportional Reduction in Estimation Error
8.2.5 When the Standard Is Perfection
8.2.6 Summary
8.3 Determining the Relative Importance of Regressors in a Single Regression Model
8.3.1 The Limitations of the Standardized Regression Coefficient
8.3.2 The Advantage of the Semipartial Correlation
8.3.3 Some Equivalences among Measures
8.3.4 Cohen''s f 2
8.3.5 Comparing Two Regression Coefficients in the Same Model
8.4 Dominance Analysis
8.4.1 Complete and Partial Dominance
8.4.2 Example Computations
8.4.3 Dominance Analysis Using a Regression Program
8.5
Chapter Summary
9. Multicategorical Regressors
9.1 Multicategorical Variables as Sets
9.1.1 Indicator (Dummy) Coding
9.1.2 Constructing Indicator Variables
9.1.3 The Reference Category
9.1.4 Testing the Equality of Several Means
9.1.5 Parallels with Analysis of Variance
9.1.6 Interpreting Estimated Y and the Regression Coefficients
9.2 Multicategorical Regressors as or with Covariates
9.2.1 Multicategorical Variables as Covariates
9.2.2 Comparing Groups and Statistical Control
9.2.3 Interpretation of Regression Coefficients
9.2.4 Adjusted Means
9.2.5 Parallels with ANCOVA
9.2.6 More Than One Covariate
9.3
Chapter Summary
10. More on Multicategorical Regressors
10.1 Alternative Coding Systems
10.1.1 Sequential (Adjacent or Repeated Categories) Coding
10.1.2 Helmert Coding
10.1.3 Effect Coding
10.2 Comparisons and Contrasts
10.2.1 Contrasts
10.2.2 Computing the Standard Error of a Contrast
10.2.3 Contrasts Using Statistical Software
10.2.4 Covariates a
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