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[null,"1.","Record Nr.",null,"UNINA9910830090503321"]
[null,null,"Autore",null,"Chatterjee Samprit <1938->"]
[null,null,"Titolo",null,"Sensitivity analysis in linear regression [[electronic resource] /] / Samprit Chatterjee, Ali S. Hadi"]
[null,null,"Pubbl/distr/stampa",null,"New York, : Wiley, c1988"]
[null,null,"ISBN",null,"1-282-30736-3"]
[{"$nulls":4},"9786612307362"]
[{"$nulls":4},"0-470-31676-4"]
[{"$nulls":4},"0-470-31742-6"]
[null,null,"Descrizione fisica",null,"1 online resource (341 p.)"]
[null,null,"Collana",null,"Wiley series in probability and mathematical statistics. Applied probability and statistics"]
[null,null,"Disciplina",null,"519.5"]
[{"$nulls":4},"519.536"]
[null,null,"Soggetti",null,"Regression analysis"]
[{"$nulls":4},"Perturbation (Mathematics)"]
[{"$nulls":4},"Mathematical optimization"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliography and index."]
[null,null,"Nota di contenuto",null,"Sensitivity Analysis in Linear Regression; PREFACE; Contents; 1. INTRODUCTION; 1.1. Introduction; 1.2. Notations; 1.3. Standard Estimation Results in Least Squares; 1.4. Assumptions; 1.5. Iterative Regression Process; 1.6. Organization of the Book; 2. PREDICTION MATRIX; 2.1.Introduction; 2.2. Roles of P and (I -P) in Linear Regression; 2.3. Properties of the Prediction Matrix; 2.3.1. General Properties; 2.3.2. Omitting (Adding) Variables; 2.3.3. Omitting (Adding) an Observation; 2.3.4. Conditions for Large Values of pii; 2.3.5. Omitting Multiple Rows of X; 2.3.6. Eigenvalues of P and (I- P)"]
[{"$nulls":4},"2.3.7. Distribution of pü2.4. Examples; 3. ROLE OF VARIABLES IN A REGRESSION EQUATION; 3.1. Introduction; 3.2. Effects of Underfitting; 3.3. Effects of Overfining; 3.4. Interpreting Successive Fining; 3.5. Computing Implications for Successive Fitting; 3.6. Introduction of One Additional Regressor; 3.7. Comparing Models: Comparison Criteria; 3.8. Diagnostic Plots for the Effects of Variables; 3.8.1. Added Variable (Partial Regression) Plots; 3.8.2. Residual Versus Predictor Plots; 3.8.3. Component-Plus-Residual (Partial Residual) Plots; 3.8.4. Augmented Partial Residual Plots"]
[{"$nulls":4},"3.9. Effects of an Additional Regressor4. EFFECTS OF AN OBSERVATION "]
[{"$nulls":4},"ON A REGRESSION EQUATION; 4.1. Introduction; 4.2. Omission Approach; 4.2.1. Measures Based on Residuals; 4.2.1.1. Testing for a Single Outlier; 4.2.1.2. Graphical Methods; 4.2.2. Outliers, High-leverage, and Influential Points; 4.2.3. Measures Based on Remoteness of Points in X-Y Space; 4.2.3.1. Diagonal Elements of P; 4.2.3.2. Mahalanobis Distance; 4.2.3.3. Weighted Squared Standardized Distance; 4.2.3.4. Diagonal Elements of Pz; 4.2.4. Influence Curve; 4.2.4.1. Definition of the Influence Curve"]
[{"$nulls":4},"4.2.4.2. Influence Curves for β and σ24.2.4.3. Approximating the Influence Curve; 4.2.5. Measures Based on the Influence Curve; 4.2.5.1. Cook's Distance; 4.2.5.2. Welsch-Kuh's Distance; 4.2.5.3. Welsch's Distance; 4.2.5.4. Modified Cooks Distance; 4.2.6. Measures Based on the Volume of Confidence Ellipsoids; 4.2.6.1. Andrews-Pregibon Statistic; 4.2.6.2. Variance Ratio; 4.2.6.3. Cook-Weisberg Statistic; 4.2.7. Measures Based on the Likelihood Function; 4.2.8. Measures Based on a Subset of the Regression Coefficients; 4.2.8.1. Influence on a Single Regression Coefficient"]
[{"$nulls":4},"4.2.8.2. Ilnfluence on Linear Functions of β4.2.9. Measures based on the Eigensmcture of X; 4.2.9.1. Condition Number and Collinearity Indices; 4.2.9.2. Collinearity-Influential Points; 4.2.9.3. Effects of an Observation on the Condition Number; 4.2.9.4. Diagnosing Collinearhy-Influential Observations; 4.3. Differentiation Approach; 4.4. Summary and Concluding Remarks; 5. ASSESSING THE EFFECTS OF MULTIPLE OBSERVATIONS; 5.1. Introduction; 5.2. Measures Based on Residuals; 5.3. Measures Based on the Influence Curve; 5.3.1. Sample lnfluence Curve; 5.3.2. Empirical Influence Curve"]
[{"$nulls":4},"5.3.3. Generalized Cook's Distance"]
[null,null,null,"Sommario/riassunto","Treats linear regression diagnostics as a tool for application of linear regression models to real-life data. Presentation makes extensive use of examples to illustrate theory. Assesses the effect of measurement errors on the estimated coefficients, which is not accounted for in a standard least squares estimate but is important where regression coefficients are used to apportion effects due to different variables. Also assesses qualitatively and numerically the robustness of the regression fit."]
[null,"2.","Record Nr.",null,"UNINA9910815264403321"]
[null,null,"Autore",null,"Sarkissian Margaret"]
[null,null,"Titolo",null,"Living ethnomusicology : paths and practices / / Margaret Sarkissian and Ted Solis"]
[null,null,"Pubbl/distr/stampa",null,"Urbana : , : University of Illinois Press, , [2019]"]
[{"$nulls":4},"©2019"]
[null,null,"ISBN",null,"0-252-05118-1"]
[null,null,"Descrizione fisica",null,"1 online resource (461 pages)"]
[null,null,"Disciplina",null,"780.89"]
[null,null,"Soggetti",null,"Ethnomusicology"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,"Nota di contenuto",null,"Part 1. Early life and influences -- Late nineteen twenties and nineteen thirties -- Nineteen forties -- Nineteen fifties -- Nineteen sixties -- Nineteen seventies -- Part 2. Career trajectories -- Careers outside \"professorial academia\"/\"the professoriat\" (positions at time of interview) -- Careers within \"the professoriat\" (positions at time of interviews) -- Part 3. Self-positioning in and reflections on the field."]
[null,null,null,"Sommario/riassunto","Ethnomusicologists have journeyed from Bali to Morocco to the depths of Amazonia to chronicle humanity's relationship with music. Margaret Sarkissian and Ted Solâis guide us into the field's last great undiscovered country: ethnomusicology itself. Drawing on fieldwork based on person-to-person interaction, the authors provide a first-ever ethnography of the discipline. The unique collaborations produce an ambitious exploration of ethnomusicology's formation, evolution, practice, and unique identity. In particular, the subjects discuss their early lives and influences and trace their varied career trajectories. They also draw on their own experiences to offer reflections on all aspects of the field. Pursuing practitioners not only from diverse backgrounds and specialties but from different eras. Sarkissian and Solâis illuminate the many trails ethnomusicologists have blazed in the pursuit of knowledge. A bountiful resource on history and practice, Living ethnomusicology is an enlightening intellectual exploration of an exotic academic culture."]