7.3 Using dummy variables for multiple categories
16:10
7.3a Incorporating ordinal information using dummy variables
16:27
7.4b Interactions involving dummy variables: allowing for different slopes
23:19
Advanced Regression - Categorical X variables and Interaction terms
42:00
Multiple regression using dummy coding of multi-categorical predictors in SPSS (August 2021)
25:35
Dummy Variable and Its Interpretation Part 1
19:58
Interaction Terms (Regression)
13:04
6.2c Regression model with Interaction terms
7:16