Grid land hot area display method

A grid and hot zone technology, applied in the field of grid-based regional land hot zone assessment and display, can solve problems such as lack of timeliness, delayed market response, and inability to meet the requirements of labor
CN110648039APending Publication Date: 2020-01-03上海克而瑞信息技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
上海克而瑞信息技术有限公司
Publication Date
2020-01-03

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Abstract

The invention relates to a grid land hot area display method, belongs to the technical field of big data application, and solves the problem of imperfect land hot area algorithm in the prior art. Thegrid land hot area display method includes: establishing a perfect index system in advance; carrying out de-duplication on each index; assigning the weight of each index by adopting an entropy weightmethod; calculating a grid entropy weight score; further calculating the island chain score through the entropy weight score; obtaining a comprehensive score by using the entropy weight score and theisland chain score; using the obtained comprehensive score rank to divide the plot into a high-energy-level hot zone, a medium-energy-level hot zone and a low-energy-level hot zone; dividing the plotinto a low-potential area, a high-potential area and a risk area by calculating the potential value of each grid, forming nine definition labels through intersection and displaying the nine definitionon the map in different colors. A user can conveniently check the score of each grid, and the position of each hot area on the map can be visually and clearly known.
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Description

technical field

[0001] The invention belongs to the technical field of big data applications, and relates to a land value evaluation method, in particular to a method for evaluating and displaying land hot spots in gridded regions. Background technique

[0002] In the development process of the real estate market, there are a lot of preliminary land evaluation work. Land price evaluation is one of the important contents of land market management. Conventional land price evaluation methods mainly include feature selection, feature quantification, feature extraction, subject modeling, land price evaluation, etc. step. Among them, there are the following shortcomings in the process of land price feature quantification:

[0003] 1: Massive data, artificial bottleneck

[0004] With the more detailed and in-depth research on cities, plates, and land in the early stage, the demand for data is also increasing. Compared with the increasing data volume, the operation cycle is const...

Claims

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