Search for tag: "regression"
STAT425: Shrinkage Methods (2 of 2)In this video we discuss Ridge Regression and Lasso Regression. These two methods are also called penalized regression methods. They are useful when just a subset of the regression coefficients is…
From Lelys Bravo De Guenni
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STAT425: Shrinkage Methods (1 of 2)In this video we talk about Principal Components Regression. This method is useful to reduce the dimensionality of the predictors space and when the high number of predictors can cause collinearity…
From Lelys Bravo De Guenni
155 plays
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STAT425: Non-parametric RegressionIn this video we discuss Non-parametric regression methods: kernel estimators, smoothing splines and local polynomials
From Lelys Bravo De Guenni
148 plays
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STAT425: Regression SplinesIn this video we talk about regression splines and how to set the number of knots or degrees of freedom (df)to define the design matrix. We also discuss how to select the number of knots or df using…
From Lelys Bravo De Guenni
194 plays
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STAT425: Polynomial RegressionIn this video we talk about polynomial regression and piece-wise polynomials. We also define Cubic Splines and Natural Cubic Splines.
From Lelys Bravo De Guenni
206 plays
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STAT425: Regression Diagnostics (Part 2) (2 of 2)In this video we discuss how to check the linear model structure using the partial regression plots. We discuss possible linearizing transformations and the Box-Cox as a normalizing transformation.
From Lelys Bravo De Guenni
153 plays
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STAT425: Multiple Linear Regression (Part 1)In this video we discuss the Multiple Linear Regression; the LS estimation method and the geometrical interpretation of the LS estimates
From Lelys Bravo De Guenni
281 plays
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STAT425: Simple Linear Regression (Part 2) (2 of 2)In this video we discuss the F-test and the ANOVA table, and explain the difference between estimation and prediction.
From Lelys Bravo De Guenni
263 plays
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STAT425: Simple Linear Regression (Part 2) (1 of 2)In This video we discuss the properties of the LS estimators, and their probability distribution
From Lelys Bravo De Guenni
342 plays
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STAT425: Simple Linear Regression (Part1)In this video we talk about the Least Square methods to find the Simple Linear Regression estimates, and we talk about the R-squared (Goodness of Fit) in SLR
From Lelys Bravo De Guenni
482 plays
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STAT425: Introduction to Regression AnalysisIn this video we talk about the fundamental steps of Data Analysis and the origin of Regression Analysis
From Lelys Bravo De Guenni
331 plays
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