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Calculation method and device based on building value assessment

A value evaluation and calculation method technology, applied in the field of data processing, can solve the problems of poor model interpretability, low prediction accuracy, affecting the value estimation accuracy, etc., and achieve the effect of good interpretability and high accuracy

Active Publication Date: 2018-07-24
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Application Information

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Problems solved by technology

Among them, it is difficult to convert the configuration characteristics of buildings into numerical values ​​for regression analysis, and inappropriate conversion may lead to lower prediction accuracy
In addition, some configuration characteristics are interrelated, such as total price, price per square meter, and total area. In the above method, the interpretability of the model is poor, and the relationship between these configuration characteristics cannot be intuitively reflected
When using the model calculation, there may be positive and negative coefficient offset results between these interrelated configuration features, which will affect the accuracy of value estimation

Method used

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  • Calculation method and device based on building value assessment
  • Calculation method and device based on building value assessment
  • Calculation method and device based on building value assessment

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Embodiment Construction

[0014] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for the convenience of description, only the parts related to the related invention are shown in the drawings.

[0015] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0016] Please refer to figure 1 , which shows a schematic diagram of the relationship between attribute data and functions of a building. In an embodiment of the present application, configuration data of a building is associated with possible functions of the building. Su...

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Abstract

The present application discloses a calculation method and device based on building value assessment. A specific embodiment of the method includes: acquiring configuration data of multiple buildings; based on the configuration data, using a machine learning method to establish a function distribution model for multiple buildings to obtain the distribution of functional characteristics of multiple buildings; Distribution calculation of the similarity between buildings of established value and buildings to be assessed; determining at least one building of established value with the greatest similarity to the building to be assessed, forming a set of similar buildings; and based on all the similar buildings in the set of similar buildings. The value of the building determines the value of the building to be assessed. This embodiment can effectively utilize different configuration attributes of the building, and can obtain higher accuracy and better interpretability when evaluating the value of the building.

Description

technical field [0001] The present application relates to the technical field of data processing, in particular to the technical field of data processing for evaluation, and in particular to a calculation method and device based on building value evaluation. Background technique [0002] In the prior art, the evaluation method of building value is mainly based on various configurations of buildings and macro market indicators combined with linear regression analysis to predict. A commonly used prediction method is to use the Hedonic Pricing Model, quantify the configuration characteristics of the building (such as area, geographical location, etc.) and input it into the model to calculate the price of the building. Among them, it is difficult to convert the configuration characteristics of buildings into numerical values ​​for regression analysis, and inappropriate conversion may lead to lower prediction accuracy. In addition, some configuration characteristics are interrel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/08
Inventor 祝恒书唐方爽
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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