Answer the following questions using the attached data (cardata.csv).
1. Create a joint space map with a preference vector model using preference regression analysis.
2. Create a joint space map with an ideal point model using preference regression analysis.
The R code used in the map creation stage must be specified.
Data summary:
The data used for the analysis is attribute evaluation and preference data relating to a virtual passenger car. The items included in the data are as follows.
1. ID: Respondent’s ID number
2. Brand name: Brand A, Brand B, Brand F ….
3. Evaluation of car attributes (economy, safety, etc.) (7-point scale, 1: low, 7: high).
4. Car preference (7-point scale, 1: not wanting to buy at all, 2: wanting to buy very much)
Attachments:
cardata.csv
