Results 11 to 20 of about 822 (144)
Goodness of fit for stochastic actor-oriented models [PDF]
Methodological Innovations, 2019 We propose a Mahalanobis distance–based Monte Carlo goodness of fit testing procedure for the family of stochastic actor-oriented models for social network evolution.
Josh Lospinoso, Tom AB Snijders
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Analysing animal social network dynamics: the potential of stochastic actor-oriented models. [PDF]
J Anim Ecol, 2017 Summary Animals are embedded in dynamically changing networks of relationships with conspecifics. These dynamic networks are fundamental aspects of their environment, creating selection on behaviours and other traits. However, most social network‐based approaches in ecology are constrained to considering networks as static, despite several calls for
Fisher DN, Ilany A, Silk MJ, Tregenza T.
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Assessing and accounting for time heterogeneity in stochastic actor oriented models. [PDF]
Adv Data Anal Classif, 2011 This paper explores time heterogeneity in stochastic actor oriented models (SAOM) proposed by Snijders (Sociological Methodology. Blackwell, Boston, pp 361-395, 2001) which are meant to study the evolution of networks. SAOMs model social networks as directed graphs with nodes representing people, organizations, etc., and dichotomous relations ...
Lospinoso JA +3 more
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Accounting for edge uncertainty in stochastic actor-oriented models for dynamic network analysis. [PDF]
Netw Sci (Camb Univ Press)AbstractStochastic Actor-Oriented Models (SAOMs) were designed in the social network setting to capture network dynamics representing a variety of influences on network change. The standard framework assumes the observed networks are free of false positive and false negative edges, which may be an unrealistic assumption.
Shappell HM +3 more
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Cooperation is not rewarded by friendship, but generous and selfish students repel each other in social networks. [PDF]
PLoS ONEHumans cooperate across various contexts, despite the individual costs involved. Cooperation and prosocial behavior may persist because these costs are offset by reputation and other social benefits.
Flóra Samu +4 more
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Stochastic Actor Oriented Models for Network Dynamics [PDF]
Annual Review of Statistics and Its Application, 2017 Stochastic Actor Oriented Models for Network Dynamics are used for the statistical analysis of longitudinal network data collected as a panel. The probability model defines an unobserved stochastic process of tie changes, where social actors add new ties or drop existing ties in response to the current network structure; the panel observations are ...
Tom A. B. Snijders, Mark Pickup
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A tutorial for modeling the evolution of network dynamics for multiple groups
Frontiers in Human Dynamics, 2023 Researchers have been increasingly taking advantage of the stochastic actor-oriented modeling framework as a method to analyze the evolution of network ties.
Andrew Pilny +2 more
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The dynamics of intergenerational closure and family networks of social cohesion
Frontiers in Sociology, 2023 We investigate the correlation of ties among school-children's parents with violence in schools, and two mechanisms of intergenerational closure (IC). Coleman described ties among parents of befriended children as IC.
Michael Windzio +2 more
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Stochastic actor‐oriented modelling of the impact of COVID‐19 on financial network evolution [PDF]
Stat, 2021 The coronavirus disease 2019 (COVID‐19) pandemic has led to tremendous loss of human life and has severe social and economic impacts worldwide. The spread of the disease has also caused dramatic uncertainty in financial markets, especially in the early stages of the pandemic.
Amanda M.Y. Chu +2 more
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PLoS ONE, 2022 A growing evidence base suggests that complex healthcare problems are optimally tackled through cross-disciplinary collaboration that draws upon the expertise of diverse researchers.
Jinwen Luo +6 more
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