Search for tag: "regression"

11 Media

STAT425: Shrinkage Methods (2 of 2) duration 30 minutes 0 seconds STAT425: Shrinkage Methods (2 of 2) STAT425: Shrinkage Methods (2 of 2)	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… stat425 shrinkage methods ridge regression lasso regression From Lelys Bravo De Guenni 127 plays 0 Date of creation 3/21/2021 12:00 AM
STAT425: Shrinkage Methods (1 of 2) duration 41 minutes 7 seconds STAT425: Shrinkage Methods (1 of 2) STAT425: Shrinkage Methods (1 of 2)	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… stat425 principal components regression shrinkage methods From Lelys Bravo De Guenni 154 plays 0 Date of creation 3/21/2021 12:00 AM
STAT425: Non-parametric Regression duration 31 minutes 28 seconds STAT425: Non-parametric Regression STAT425: Non-parametric Regression	STAT425: Non-parametric Regression In this video we discuss Non-parametric regression methods: kernel estimators, smoothing splines and local polynomials stat425 non-parametric regression kernel estimators smoothing splines local polynomials From Lelys Bravo De Guenni 146 plays 0 Date of creation 3/8/2021 12:00 AM
STAT425: Regression Splines duration 36 minutes 51 seconds STAT425: Regression Splines STAT425: Regression Splines	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… stat425 regression splines b-splines natural cubic splines From Lelys Bravo De Guenni 193 plays 0 Date of creation 3/6/2021 12:00 AM
STAT425: Polynomial Regression duration 42 minutes 57 seconds STAT425: Polynomial Regression STAT425: Polynomial Regression	STAT425: Polynomial Regression In this video we talk about polynomial regression and piece-wise polynomials. We also define Cubic Splines and Natural Cubic Splines. stat425 polynomial regression cubic splines natural cubic splines From Lelys Bravo De Guenni 202 plays 0 Date of creation 3/6/2021 12:00 AM
STAT425: Regression Diagnostics (Part 2) (2 of 2) duration 26 minutes 18 seconds STAT425: Regression Diagnostics (Part 2) (2 of 2) STAT425: Regression Diagnostics (Part 2) (2 of 2)	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. stat425 partial regression plots linearizing transformations box-cox transformation From Lelys Bravo De Guenni 152 plays 0 Date of creation 2/20/2021 12:00 AM
STAT425: Multiple Linear Regression (Part 1) duration 54 minutes 33 seconds STAT425: Multiple Linear Regression (Part 1) STAT425: Multiple Linear Regression (Part 1)	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 stat425 multiple linear regression ls estimation ls geometry From Lelys Bravo De Guenni 255 plays 0 Date of creation 1/29/2021 12:00 AM
STAT425: Simple Linear Regression (Part 2) (2 of… duration 33 minutes 7 seconds STAT425: Simple Linear Regression (Part 2) (2 of… STAT425: Simple Linear Regression (Part 2) (2 of 2)	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. stat425 simple linear regression f-test estimation prediction From Lelys Bravo De Guenni 256 plays 0 Date of creation 1/28/2021 12:00 AM
STAT425: Simple Linear Regression (Part 2) (1 of… duration 41 minutes 18 seconds STAT425: Simple Linear Regression (Part 2) (1 of… STAT425: Simple Linear Regression (Part 2) (1 of 2)	STAT425: Simple Linear Regression (Part 2) (1 of 2) In This video we discuss the properties of the LS estimators, and their probability distribution stat425 simple linear regression ls estimation properties of the ls estimation From Lelys Bravo De Guenni 330 plays 0 Date of creation 1/28/2021 12:00 AM
STAT425: Simple Linear Regression (Part1) duration 50 minutes 11 seconds STAT425: Simple Linear Regression (Part1) STAT425: Simple Linear Regression (Part1)	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 stat425 simple linear regression r-squared least-squares From Lelys Bravo De Guenni 464 plays 0 Date of creation 1/21/2021 12:00 AM
STAT425: Introduction to Regression Analysis duration 26 minutes 6 seconds STAT425: Introduction to Regression Analysis STAT425: Introduction to Regression Analysis	STAT425: Introduction to Regression Analysis In this video we talk about the fundamental steps of Data Analysis and the origin of Regression Analysis stat425 introduction data analysis regression From Lelys Bravo De Guenni 315 plays 0 Date of creation 1/21/2021 12:00 AM

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