Crowd portrait algorithm based on mass bus data
A technology for public transport data and data, applied in structured data retrieval, electronic digital data processing, geographic information database, etc., can solve the problem of lack of urban crowd portrait technology
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[0069]In order to make the technical problems, technical solutions and advantages to solve the present invention more clearly, and will be described in detail below with reference to the accompanying drawings and specific examples.
[0070]The present invention provides a population portrait algorithm based on massive bus data for existing problems, such asfigure 1 As shown, including the following steps:
[0071]Step S1, data description and pretreatment: Get bus card data and POI (points of interest, point ofinterest) data, and perform pre-processes;
[0072]Step S2, Filter the key area population: Extract the number of travel times by PageRank (a Google Page Ranking Algorithm) algorithm, and the trajectory data of frequent trajectory of the hotspot;
[0073]Step S3, the trajectory textization: obtain the functionality of the coordinates of the passenger according to the POI data, and obtain the text trajectory data of each passenger according to the functionality of the passenger trajectory ...
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