Bayesian method for inferring the impact of geographical distance on intensity of communication

05/23/2018
by   Fei Li, et al.
0

Both theoretical models and empirical findings suggest that the intensity of communication among groups of people declines with their degree of geographical separation. There is some evidence that rather than decaying uniformly with distance, the intensity of communication might decline at different rates for shorter and longer distances. Using Bayesian LASSO for model selection, we introduce a statistical model for estimating the rate of communication decline with geographic distance that allows for discontinuities in this rate. We apply our method to an anonymized mobile phone communication dataset. Our results are potentially useful in settings where understanding social and spatial mixing of people is important, such as in cluster randomized trials design.

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