A method for identifying urban functional areas based on POI and bus card swiping data

The invention discloses a method for identifying a city functional area based on POI and bus card swiping data, which comprises the steps of acquiring POI data of a target city based on a network electronic map and establishing POI indexes; for the target city, the POI index of each region being obtained and the POI total index value POI_Classes being calculated; according to the POI index and POItotal index value of each region, the urban function and the quantity of each kind of urban function included in each region being judged, and the urban single functional area and each mixed functional area being obtained; acquiring bus card swiping data of each area with mixed city functions, and establishing and calculating characteristic indexes of passenger numbers of bus stops according to the bus card swiping data; according to the calculated characteristic index value of the number of passengers, the clustering of each region with mixed urban functions being carried out, and accordingto the clustering result,