Linear regression
0 of 11 topics done
Conditions for linear modelling
1Identify the explanatory and response variablesOpen, set of 8START2Describe an association from a scatterplotOpen, set of 8START3Properties and assumptions of Pearson's rOpen, set of 8START
Least squares lines and residuals
4Residuals and what least squares minimisesOpen, set of 8START5Compute the least squares line from summary statisticsOpen, set of 8START6Compute r and the least-squares line from dataOpen, set of 8START
Regression models and prediction
7Calculate and interpret the coefficient of determinationOpen, set of 8START8Interpret the intercept and slope of a fitted modelOpen, set of 8START9Predict from a fitted model: interpolation and extrapolationOpen, set of 8START10Construct and interpret a residual plotOpen, set of 8START
Residual plots and linearity
Regression analysis