Example 55.3: Regression with Quantitative and Qualitative Variables At times it is desirable to have independent variables in the model that are qualitative rather than quantitative. This is easily ...

1 Department of Engineering Cybernetics, Norwegian University of Science and Technology, Trondheim, Norway; 2 Idletechs AS, Trondheim, Norway; 3 Department of Chemistry, University of Rome “La ...

Two-Variable Regression: Extend the analysis by incorporating two variables into our regression model for improved predictive performance. Three-Variable Regression: Explore the impact of adding a ...

Function-on-scalar regression is a type of function response regression used to analyze the relationship between function response and a set of scalar predictor factors. The variable selection methods ...

With only one variable in the model, it is unclear whether Visa affects the S&P 500 prices, if the S&P 500 affects V prices, or if some unobserved third variable affects both prices.

The models for the response variable consist of a linear effect composed of the exogenous covariables together with a random disturbance term. The distribution of the random disturbance can be taken ...