Author(s)

Ruihong Sun

Corresponding Author

Ruihong Sun

ABSTRACT

In the United States, a car is a necessity for most families. Buying a second hand car is a good choice, but not all buyers have enough knowledge to know about second hand cars. It is necessary to show them an overview of the used-car market in the US and to help them build expectations of where they stand in the used-car market based on their budget. In this paper, the heat map and 3D map and line chart are used respectively to analyze the relationship between the condition of the price of equipment and the status quo of second-hand cars, so that customers can quickly find their favorite second-hand cars in a short time. Through the display of these charts, the turnover of second-hand cars and the popular styles, types and colors are clearly displayed in front of us. The white car sells the most among all the cars. Petrol cars sell best, followed by diesels. Six-cylinder used cars are most popular with buyers. All the results in this paper May saves customers time, helps them address their immediate needs and meets their needs.

KEYWORDS

Optimization, Second hand car, Suitable, Customer, Price