Using regression to identify change drivers
It's time to use what you know about multiple regression to answer the executive's question: why did the accident rate increase?
Phrased another way, is there a variable in your dataset that, when added into a multiple regression, can explain the difference in accident rates between the two years?
This exercise is part of the course
HR Analytics: Exploring Employee Data in R
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Use multiple regression to test the impact of year and disengaged on accident rate in Southfield
regression <- ___