'Influential observations' presentation slideshows

Chapter 15 Inference for Regression

Chapter 15 Inference for Regression. AP Statistics Hamilton HW: 15.1, 15.2, 15.5, 15.8, 15.10, 15.11, 15.14, 15.26. The Regression Model.

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AP Stats Chapter 3 Review

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Investigation of Treatment of Influential Values

Investigation of Treatment of Influential Values. Mary H. Mulry Roxanne M. Feldpausch. Outline. Current practices Methods investigated Results Next steps. Influential Observation.

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Simple Linear Regression Estimation and Residuals

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Regression Models

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Chapter 6 Diagnostics for Leverage and Influence

Chapter 6 Diagnostics for Leverage and Influence. Ray-Bing Chen Institute of Statistics National University of Kaohsiung . 6.1 Important of Detecting Influential Observations. Usually assume equal weights for the observations. For example: sample mean

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Stat 112: Lecture 16 Notes

Stat 112: Lecture 16 Notes. Finish Chapter 6: Influential Points for Multiple Regression (Section 6.7) Assessing the Independence Assumptions and Remedies for Its Violation (Section 6.8) Homework 5 due next Thursday. I will e-mail it tonight.

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Section 4.3: Diagnostics on the Least-Squares Regression Line

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Chapter 6

Chapter 6. Diagnostics for Leverage and Influence. 6.1 Importance of Detecting Influential Observations. Leverage Point : unusual x-value; very little effect on regression coefficients. 6.1 Importance of Detecting Influential Observations. Influence Point : unusual in y and x;.

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Quantitative Methods in Social Sciences (E774): Review Session XI

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Section 4.3

Section 4.3. Diagnostics on the Least-Square Regression Line. Coefficient of Determination (R 2 ). Measures the proportion of total variation in the response variable that is explained by the least-squares regression line

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Lecture 22: Thurs., April 1

Lecture 22: Thurs., April 1. Outliers and influential points for simple linear regression Multiple linear regression Basic model Interpreting the coefficients. Outliers and Influential Observations.

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Influential Observations in Regression

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Influential Observations in Regression

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Influential Observations in Regression

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Lesson 4 - 3

Lesson 4 - 3. Diagnostics on the Least- Squares Regression Line. Objectives. Compute and interpret the coefficient of determination Perform residual analysis on a regression model Identify influential observations. Vocabulary.

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Chapter Three Day Seven

Chapter Three Day Seven. Regression Wisdom. Homework. P. 238 59,62 P. 242 63,64. Regression Wisdom. Correlation and regression describe only linear relationships Extrapolation often produces unreliable results

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