7.4. Regression Methods

Try these first

1. 1.

   Define trip generation.

   Hint

   Think about the relationship between the number of trips and a specific location.

2. 2.

   What is the purpose of regression analysis?

   Hint

   Consider why we would want to correlate different variables.

3. 3.

   What does the T in the regression model T = f(x₁, x₂, x₃, ...)?

   Hint

   Remember, it focuses on the trips originating or attracting to a zone.

4. 4.

   True or False: Regression analysis can only use one independent variable.

   • True
   • False

   Hint

   Consider the structure of a multiple regression equation.

5. 5.

   Given a dataset of household sizes and their respective trip rates, identify a linear regression model that predicts trip rates based on household size. Include steps for calculation.

   Hint

   Be prepared to calculate means and apply regression formulas.

6. 6.

   Discuss how trip generation predictions might change if new variables were introduced, such as population density or local employment rates. Provide a justification based on regression analysis principles.

   Hint

   Consider how each factor could influence overall travel dynamics.