Problem: Data Exploration and Cleaning
Use the provided dataset to answer this section. You are given access to 24 variables that are directly related to use car sales from the above-mentioned dataset. Most of these variables are similar to the type of information that an assessor will use to evaluate and assess the price of a used car (e.g. when was it made? What is the length and width ofthe car? What type of wheel system? Number of seats?).
You need to answer the following questions with evidence and justifications.
1) Which variables are continuous/discrete? Which are ordinal? Which are nominal?
2) What are the methods for transforming categorical variables?
3) Carry out and demonstrate data transformation where necessary.