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An Introduction to Regression Analysis | |
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Review of Basic Statistical Concepts | |
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Introduction | |
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Descriptive Statistics | |
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Discrete Random Variables and Probability Distributions | |
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The Normal Distribution | |
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Populations, Samples, and Sampling Distributions | |
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Estimating a Population Mean | |
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Hypothesis Tests About a Population Mean | |
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Estimating the Difference Between Two Population Means | |
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Hypothesis Tests About the Difference Between Two Population Means | |
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Simple Regression Analysis | |
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Using Simple Regression to Describe a Linear Relationship | |
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Examples of Regression as a Descriptive Technique | |
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Inferences from a Simple Regression Analysis | |
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Assessing the Fit of the Regression Line | |
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Prediction or Forecasting with a Simple Linear Regression Equation | |
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Fitting a Linear Trend to Time-Series Data | |
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Some Cautions in Interpreting Regression Results | |
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Multiple Regression Analysis | |
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Using Multiple Regression to Describe a Linear Relationship | |
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Inferences from a Multiple Regression Analysis | |
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Assessing the Fit of the Regression Line | |
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Comparing Two Regression Models | |
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Prediction with a Multiple Regression Equation | |
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Multicollinearity: A Potential Problem in Multiple Regression | |
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Lagged Variables as Explanatory Variables in Time-Series Regression | |
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Fitting Curves to Data | |
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Introduction | |
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Fitting Curvilinear Relationships | |
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Assessing the Assumptions of the Regression Model | |
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Introduction | |
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Assumptions of the Multiple Linear Regression Model | |
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The Regression Residuals | |
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Assessing the Assumption That the Relationship is Linear | |
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Assessing the Assumption That the Variance Around the Regression Line is Constant | |
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Assessing the Assumption That the Disturbances are Normally Distributed | |
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Influential observations | |
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Assessing the Influence That the Disturbances are Independent | |
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Using Indicator and Interaction Variables | |
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Using and Interpreting Indicator Variables | |
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Interaction Variables | |
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Seasonal Effects in Time-Series Regression | |
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Variable Selection | |
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Introduction | |
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All Possible Regressions | |
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Other Variable Selection Techniques | |
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Which Variable Selection Procedure is Best? | |
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An Introduction to Analysis of Variance | |
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One-Way Analysis of Variance | |
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Analysis of Variance Using a Randomized Block Design | |
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Two-Way Analysis of Variance | |
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Analysis of Covariance | |
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Qualitative Dependent Variables: An Introduction to Discriminant Analysis and Logistic Regression | |
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Introduction | |
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Discriminant Analysis | |
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Logistic Regression | |
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Forecasting Methods for Time-Series Data | |
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Introduction | |
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Naive Forecasts | |
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Measuring Forecast Accuracy | |
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Moving Averages | |
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Exponential Smoothing | |
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Decomposition | |
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Appendices | |
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Summation Notation | |
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Statistical Tables | |
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A Brief Introduction to MINITAB, Microsoft Excel, and SAS | |
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Matrices and their Application to Regression Analysis | |
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Solutions to Selected Odd-Numbered Exercises | |
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References | |
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Index | |