Road network clustering-based hotspot region mining method
A hotspot area and clustering technology, applied in the direction of instruments, climate sustainability, computing, etc., can solve the problems of large impact of clustering results and large differences in results, and achieve the effect of solving data sparsity and huge amount of calculation
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[0031] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.
[0032] The technical scheme that the present invention solves the problems of the technologies described above is:
[0033] Such as figure 2 As shown, the invention adopts the OPAM clustering algorithm based on the density peak optimization initial center and the road network to combine the specific steps of the hotspot area mining method as follows:
[0034] Step 1: Collect the taxi trajectory data set of a certain month in the city, and select the trajectory data of the city with a relatively concentrated amount of data for one week. Carry out data preprocessing, retain valid fields such as longitude and latitude data of getting on and off track points, time data of getting on and off the car, and del...
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