Khan Academy: Linear Regression and Correlation: Regression Line Example

Learners explore scatter plots. For this linear regression lesson, groups of pupils graph scatter plots and then find the line of best fit. They identify outliers and explain the correlation. Each group summarizes and shares their...

Linear regression and correlation with minimizing squared error to regression line.

Minimizing squared error to regression line.

Minimizing Squared Error to Linear regression and correlation.

Explore linear regression and correlation in this video.

Video uses a real world medical article as an example to explain the difference between correlation and causation. Understanding why correlation does not imply causality (even though many in the press and some researchers often imply...

Video shows an example of proving that a particular linear combination of 3 vectors in R3 spans R3. Relates this to linearly independent and linearly dependent vectors. [16:53]

Video shows how vector sets can be used to represent lines. Then shows how to use the vectors to write another vector set parallel to the first through a given point. Explains how the vector set is a general notation that can be used in...

Video defining eigenspace as the set of all the eigenvectors of a matrix with a specific eigenvalue. Finds the eigenspace for the two eigenvalues found in the previous video. Part of the process of solving requires finding a null space...

Video continuing the example from the previous video where a transformation matrix with respect to an alternate basis was found given a transformation matrix with respect to the standard basis, an alternate basis and a change of basis...