EE-Learning
Second regression example
Catogry:
Math
Subject:
Statistics & Probability
Course:
Exploring Bivariate Numerical Data
Lecture List
Covariance and the regression line
Calculating R-squared
R-squared or coefficient of determination
Second regression example
Regression line example
Proof (part 4) minimizing squared error to regression line
Proof (part 3) minimizing squared error to regression line
Proof (part 2) minimizing squared error to regression line
Proof (part 1) minimizing squared error to regression line
Squared error of regression line
Impact of removing outliers on regression lines
Interpreting computer regression data
Standard deviation of residuals or Root-mean-square error (RMSD)
R-squared or coefficient of determination
Residual plots
Interpreting a trend line
Interpreting y-intercept in regression model
Interpreting slope of regression line
Calculating the equation of a regression line
Calculating residual example
Introduction to residuals and least squares regression
Line of best fit: smoking in 1945
Estimating with linear regression (linear models)
Estimating the line of best fit exercise
Fitting a line to data
Calculating correlation coefficient r
Example: Correlation coefficient intuition
Bivariate relationship linearity, strength and direction
Scatter plot: smokers
Example of direction in scatterplots
Constructing a scatter plot