The data was collected by Facebook and provided as part of Traud et al. (2012)
This data object is a pre-computed `iglm.data` object. It models the `rice` friendship network (`z_network`) using two binary covariates: gender (`x_attribute`) and whether the graduation year is 2008 (`y_attribute`). The "neighborhood" structure (`neighborhood`) is defined as students sharing the same dormitory. data(rice)
Traud, Mucha, Porter (2012). Social Structure of Facebook Network. Physica A: Statistical Mechanics and its Applications, 391, 4165-4180