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stat.ME2026
A spectral inference method for determining the number of communities in networks
Yujia Wu, Xiucai Ding, Jingfei Zhang +2
To characterize the community structure in network data, researchers have developed various block-type models, including the stochastic block model, the degree-corrected stochastic…
stat.ME2025
A Goodness-of-Fit Test for Sparse Networks
Yujia Wu, Wei Lan, Long Feng +1
The stochastic block model (SBM) has been widely used to analyze network data. Various goodness-of-fit tests have been proposed to assess the adequacy of model structures. To the b…
stat.ME2024
An Eigengap Ratio Test for Determining the Number of Communities in Network Data
Yujia Wu, Jingfei Zhang, Wei Lan +1
To characterize the community structure in network data, researchers have introduced various block-type models, including the stochastic block model, degree-corrected stochastic bl…