Abstract
This paper takes campus card consumption data as the research object to min e the friend relationship of students. Firstly, the bipartite network of the card consumption data is mapped to a single-point network, and the Poisson distribution is used to obtain the statistically co-occurring friend relationship network, and then the friend relationship network is further filtered by the order and number of students queuing. Finally, taking a certain college as an example, the friend relationship network diagrams of the college's students in 2018 and 2019 were constructed respectively.
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