58 citations · 85 across the 5 of their papers we have counts for
6 papers
Excess deaths and Hurricane María
Michael Spagat, Stijn van Weezel
We clarify the distinction between direct and indirect effects of disasters such as Hurricane María and use data from the Puerto Rico Vital Statistics System to estimate monthly ex…
Toward a Unified Understanding of Casualty Distributions in Human Conflict
Michael Spagat, Stijn van Weezel, Minzhang Zheng +1
We are able to unify various disparate claims and results in the literature, that stand in the way of a unified description and understanding of human conflict. First, we provide a…
Ultrametric Wavelet Regression of Multivariate Time Series: Application to Colombian Conflict Analysis
Fionn Murtagh, Michael Spagat, Jorge A. Restrepo
We first pursue the study of how hierarchy provides a well-adapted tool for the analysis of change. Then, using a time sequence-constrained hierarchical clustering, we develop the…
Sampling bias in systems with structural heterogeneity and limited internal diffusion
Jukka-Pekka Onnela, Neil F. Johnson, Sean Gourley +2
Complex systems research is becomingly increasingly data-driven, particularly in the social and biological domains. Many of the systems from which sample data are collected feature…
Universal patterns underlying ongoing wars and terrorism
Neil F. Johnson, Mike Spagat, Jorge A. Restrepo +5
We report a remarkable universality in the patterns of violence arising in three high-profile ongoing wars, and in global terrorism. Our results suggest that these quite different…
From old wars to new wars and global terrorism
N. Johnson, M. Spagat, J. Restrepo +4
Even before 9/11 there were claims that the nature of war had changed fundamentally. The 9/11 attacks created an urgent need to understand contemporary wars and their relationship…