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  • User Interaction Data in Apps: Comparing Policy Claims to Implementations 

    Tang, Feiyang; Østvold, Bjarte Mayanja (Journal article; Peer reviewed, 2024)
    As mobile app usage continues to rise, so does the generation of extensive user interaction data, which includes actions such as swiping, zooming, or the time spent on a screen. Apps often collect a large amount of this ...
  • MCCE: Monte Carlo sampling of valid and realistic counterfactual explanations for tabular data 

    Redelmeier, Annabelle Alice; Jullum, Martin; Aas, Kjersti; Løland, Anders (Journal article; Peer reviewed, 2024)
    We introduce MCCE: Monte Carlo sampling of valid and realistic Counterfactual Explanations for tabular data, a novel counterfactual explanation method that generates on-manifold, actionable and valid counterfactuals by ...
  • Statistical Embedding: Beyond Principal Components 

    Tjøstheim, Dag Bjarne; Jullum, Martin; Løland, Anders (Journal article; Peer reviewed, 2023)
    There has been an intense recent activity in embedding of very high-dimensional and nonlinear data structures, much of it in the data science and machine learning literature. We survey this activity in four parts. In the ...
  • Some recent trends in embeddings of time series and dynamic networks 

    Tjøstheim, Dag Bjarne; Jullum, Martin; Løland, Anders (Journal article; Peer reviewed, 2023)
    We give a review of some recent developments in embeddings of time series and dynamic networks. We start out with traditional principal components and then look at extensions to dynamic factor models for time series. Unlike ...
  • A new framework for semi-Markovian parametric multi-state models with interval censoring 

    Aastveit, Marthe Elisabeth; Cunen, Celine Marie Løken; Hjort, Nils Lid (Journal article; Peer reviewed, 2023)
    There are few computational and methodological tools available for the analysis of general multi-state models with interval censoring. Here, we propose a general framework for parametric inference with interval censored ...

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