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Dear SOCNET members,
In the October 2015 issue of Social Networks, Benjamin Lubin and I published "Spectral Goodness of Fit for Network Models" (SGOF), which introduces a whole-network measure of goodness of fit. Like R-squared, SGOF describes percent improvement in fit from a null model. Because it doesn't depend on model specification, it allows comparison of fit among non-nested or even non-statistical models.
We have been receiving some inquiries, so I would like to provide links to an R package and quick tutorial for calculating this goodness of fit measure.
Assistant Professor of Information Systems
Questrom School of Business