Method for online valuation of used cars

Abstract

The invention discloses a method for online valuation of used cars. The method for online valuation of the used cars comprises the steps of (1) carrying out data capture in a timing mode on main vehicle circulation trading platform websites on the internet through a net crawler program, (2) carrying out discrimination on vehicle model information of various platforms, and corresponding prices to vehicle models, (3) carrying out statistical analysis on data through a linear regression method after a large number of price data are collected, obtaining a linear equation Y=a*X+b, wherein prices and mileages serve as the weight of the linear equation, the Y stands for the prices, and the X stands for the mileages, and (4) adopting an online evaluation method to apply to the linear equation on the websites, working out a fair price of a used car to be evaluated, helping a user to distinguish cost performance of the used car according to cost performance when car source search is carried out, and expressing the cost performance through a showing form. The method for online valuation of the used cars can rapidly provide vehicle evaluation values for ordinary consumers, serves as a barometer of a vehicle circulation market, reflects market price behavior, provides data information besides experience for professional users, and can serve as reference for professional vehicle evaluators.

Description

technical field [0001] The invention relates to the technical field of information retrieval and analysis, in particular to an online second-hand car valuation method. Background technique [0002] The valuation of second-hand cars is the most critical link in the circulation of vehicles. Traditional vehicle valuations mainly rely on professional second-hand car appraisers based on the model, condition and other characteristics of the vehicle. There are two methods of second-hand car valuation: the replacement cost method and the market price comparison method. The use of traditional vehicle valuation methods has certain limitations. Although the replacement cost method takes into account factors such as inflation and other economic depreciation, functional depreciation caused by technological progress, and physical depreciation, this method is still not comprehensive. Some reflect the economic depreciation of assets (vehicles), and some economic depreciations are difficul...

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