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 127 plays 0  

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 154 plays 0  

STAT425: Non-parametric Regression

In this video we discuss Non-parametric regression methods: kernel estimators, smoothing splines and local polynomials

From  Lelys Bravo De Guenni 148 plays 0  

STAT425: Regression Splines

In 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 193 plays 0  

STAT425: Polynomial Regression

In 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 202 plays 0  

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 152 plays 0  

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 257 plays 0  

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 256 plays 0  

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 330 plays 0  

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 464 plays 0  

STAT425: Introduction to Regression Analysis

In this video we talk about the fundamental steps of Data Analysis and the origin of Regression Analysis

From  Lelys Bravo De Guenni 317 plays 0