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Jan-Willem Romeijn
University of Groningen
  1.  62
    Probabilistic Logics and Probabilistic Networks.Rolf Haenni, Jan-Willem Romeijn, Gregory Wheeler & Jon Williamson - 2011 - Synthese Library.
    Additionally, the text shows how to develop computationally feasible methods to mesh with this framework.
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  2.  98
    A New Resolution of the Judy Benjamin Problem.Igor Douven & Jan-Willem Romeijn - 2011 - Mind 120 (479):637 - 670.
    A paper on how to adapt your probabilisitc beliefs when learning a conditional.
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  3. Meaning Shifts and Conditioning.Jan-Willem Romeijn - unknown
    This paper investigates the viability of the Bayesian model of belief change. Van Benthem (2003) has shown that a particular kind of information change typical for dynamic epistemic logic cannot be modelled by Bayesian conditioning. I argue that the problems described by van Benthem come about because the information change alters the semantics in which the change is supposed to be modelled by conditioning: it induces a shift in meanings. I then show that meaning shifts can be modelled in terms (...)
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  4. The Discursive Dilemma as a Lottery Paradox.Igor Douven & Jan-Willem Romeijn - 2007 - Economics and Philosophy 23 (3):301-319.
    List and Pettit have stated an impossibility theorem about the aggregation of individual opinion states. Building on recent work on the lottery paradox, this paper offers a variation on that result. The present result places different constraints on the voting agenda and the domain of profiles, but it covers a larger class of voting rules, which need not satisfy the proposition-wise independence of votes.
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  5. Interventions: A Case Study in Formalisation.Jan-Willem Romeijn - unknown
    In this paper I discuss probabilistic models of experimental intervention, and I show that such models elucidate the intuition that observations during intervention are more informative than observations per se. Because of this success, it seems attractive to also cast other problems addressed by the philosophy of experimentation in terms of such probabilistic models. However, a critical examination of the models reveals that some of the aspects of experimentation are covered up rather than resolved by probabilistic modelling. I end by (...)
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  6. Statistics as Inductive Inference.Jan-Willem Romeijn - unknown
    An inductive logic is a system of inference that describes the relation between propositions on data, and propositions that extend beyond the data, such as predictions over future data, and general conclusions on all possible data. Statistics, on the other hand, is a mathematical discipline that describes procedures for deriving results about a population from sample data. These results include predictions on future samples, decisions on rejecting or accepting a hypothesis about the population, the determination of probability assignments over such (...)
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  7.  9
    All Agreed: Aumann Meets DeGroot.Jan-Willem Romeijn & Olivier Roy - 2018 - Theory and Decision 85 (1):41-60.
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  8.  24
    Psychiatric Comorbidity: Fact or Artifact?Hanna M. van Loo & Jan-Willem Romeijn - 2015 - Theoretical Medicine and Bioethics 36 (1):41-60.
    The frequent occurrence of comorbidity has brought about an extensive theoretical debate in psychiatry. Why are the rates of psychiatric comorbidity so high and what are their implications for the ontological and epistemological status of comorbid psychiatric diseases? Current explanations focus either on classification choices or on causal ties between disorders. Based on empirical and philosophical arguments, we propose a conventionalist interpretation of psychiatric comorbidity instead. We argue that a conventionalist approach fits well with research and clinical practice and resolves (...)
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  9. Learning Juror Competence: A Generalized Condorcet Jury Theorem.Jan-Willem Romeijn & David Atkinson - 2011 - Politics, Philosophy and Economics 10 (3):237-262.
    This article presents a generalization of the Condorcet Jury Theorem. All results to date assume a fixed value for the competence of jurors, or alternatively, a fixed probability distribution over the possible competences of jurors. In this article, we develop the idea that we can learn the competence of the jurors by the jury vote. We assume a uniform prior probability assignment over the competence parameter, and we adapt this assignment in the light of the jury vote. We then compute (...)
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  10.  13
    Analogical Predictions for Explicit Similarity.Jan-Willem Romeijn - 2006 - Erkenntnis 64 (2):253 - 280.
    This paper concerns exchangeable analogical predictions based on similarity relations between predicates, and deals with a restricted class of such relations. It describes a system of Carnapian λγ rules on underlying predicate families to model the analogical predictions for this restricted class. Instead of the usual axiomatic definition, the system is characterized with a Bayesian model that employs certain statistical hypotheses. Finally the paper argues that the Bayesian model can be generalized to cover cases outside the restricted class of similarity (...)
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  11.  71
    New Theory About Old Evidence.Sylvia Wenmackers & Jan-Willem Romeijn - 2016 - Synthese 193 (4).
    We present a conservative extension of a Bayesian account of confirmation that can deal with the problem of old evidence and new theories. So-called open-minded Bayesianism challenges the assumption—implicit in standard Bayesianism—that the correct empirical hypothesis is among the ones currently under consideration. It requires the inclusion of a catch-all hypothesis, which is characterized by means of sets of probability assignments. Upon the introduction of a new theory, the former catch-all is decomposed into a new empirical hypothesis and a new (...)
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  12.  5
    Abducted by Bayesians?Jan-Willem Romeijn - 2013 - Journal of Applied Logic 11 (4):430-439.
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  13.  67
    Probabilist antirealism.Igor Douven, Leon Horsten & Jan-Willem Romeijn - 2010 - Pacific Philosophical Quarterly 91 (1):38-63.
    Until now, antirealists have offered sketches of a theory of truth, at best. In this paper, we present a probabilist account of antirealist truth in some formal detail, and we assess its ability to deal with the problems that are standardly taken to beset antirealism.
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  14. A Condorcet Jury Theorem for Unknown Juror Competence.Jan-Willem Romeijn & David Atkinson - 2011 - Politics, Philosophy, and Economics 10 (3):237-262.
     
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  15.  28
    Hypotheses and Inductive Predictions.Jan-Willem Romeijn - 2004 - Synthese 141 (3):333 - 364.
    This paper studies the use of hypotheses schemes in generatinginductive predictions. After discussing Carnap–Hintikka inductive logic,hypotheses schemes are defined and illustrated with two partitions. Onepartition results in the Carnapian continuum of inductive methods, the otherresults in predictions typical for hasty generalization. Following theseexamples I argue that choosing a partition comes down to making inductiveassumptions on patterns in the data, and that by choosing appropriately anyinductive assumption can be made. Further considerations on partitions makeclear that they do not suggest any solution (...)
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  16.  39
    Conditioning and Interpretation Shifts.Jan-Willem Romeijn - 2012 - Studia Logica 100 (3):583-606.
    This paper develops a probabilistic model of belief change under interpretation shifts, in the context of a problem case from dynamic epistemic logic. Van Benthem [4] has shown that a particular kind of belief change, typical for dynamic epistemic logic, cannot be modelled by standard Bayesian conditioning. I argue that the problems described by van Benthem come about because the belief change alters the semantics in which the change is supposed to be modelled: the new information induces a shift in (...)
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  17.  6
    Intervention and Identifiability in Latent Variable Modelling.Jan-Willem Romeijn & Jon Williamson - 2018 - Minds and Machines 28 (2):243-264.
    We consider the use of interventions for resolving a problem of unidentified statistical models. The leading examples are from latent variable modelling, an influential statistical tool in the social sciences. We first explain the problem of statistical identifiability and contrast it with the identifiability of causal models. We then draw a parallel between the latent variable models and Bayesian networks with hidden nodes. This allows us to clarify the use of interventions for dealing with unidentified statistical models. We end by (...)
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  18.  5
    Combining Probability and Logic.Fabio Cozman, Rolf Haenni, Jan-Willem Romeijn, Federica Russo, Gregory Wheeler & Jon Williamson - 2009 - Journal of Applied Logic 7 (2):131-135.
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  19.  86
    Possible Semantics for a Common Framework of Probabilistic Logics.Gregory Wheeler, Jon Williamson, Jan-Willem Romeijn & Rolf Haenni - 2008 - In V. N. Huynh (ed.), International Workshop on Interval Probabilistic Uncertainty and Non-Classical Logics. Springer.
    Summary. This paper proposes a common framework for various probabilistic logics. It consists of a set of uncertain premises with probabilities attached to them. This raises the question of the strength of a conclusion, but without imposing a particular semantics, no general solution is possible. The paper discusses several possible semantics by looking at it from the perspective of probabilistic argumentation.
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  20.  5
    Inherent Complexity: A Problem for Statistical Model Evaluation.Jan-Willem Romeijn - 2017 - Philosophy of Science 84 (5):797-809.
    This article investigates a problem for statistical model evaluation, in particular for curve fitting: by employing a different family of curves we can fit any scatter plot almost perfectly at apparently minor cost in terms of model complexity. The problem is resolved by an appeal to prior probabilities. This leads to some general lessons about how to approach model evaluation.
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  21.  30
    Mechanistic Curiosity Will Not Kill the Bayesian Cat.Denny Borsboom, Eric-Jan Wagenmakers & Jan-Willem Romeijn - 2011 - Behavioral and Brain Sciences 34 (4):192-193.
    Jones & Love (J&L) suggest that Bayesian approaches to the explanation of human behavior should be constrained by mechanistic theories. We argue that their proposal misconstrues the relation between process models, such as the Bayesian model, and mechanisms. While mechanistic theories can answer specific issues that arise from the study of processes, one cannot expect them to provide constraints in general.
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  22.  24
    Radical Uncertainty: Beyond Probabilistic Models of Belief.Jan-Willem Romeijn & Olivier Roy - 2014 - Erkenntnis 79 (6):1221-1223.
    Over the past decades or so the probabilistic model of rational belief has enjoyed increasing interest from researchers in epistemology and the philosophy of science. Of course, such probabilistic models were used for much longer in economics, in game theory, and in other disciplines concerned with decision making. Moreover, Carnap and co-workers used probability theory to explicate philosophical notions of confirmation and induction, thereby targeting epistemic rather than decision-theoretic aspects of rationality. However, following Carnap’s early applications, philosophy has more recently (...)
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  23. Logical Relations in a Statistical Problem.Jon Williamson, Jan-Willem Romeijn, Rolf Haenni & Gregory Wheeler - 2008 - In Benedikt Lowe, Jan-Willem Romeijn & Eric Pacuit (eds.), Proceedings of the Foundations of the Formal Sciences VI: Reasoning about probabilities and probabilistic reasoning. College Publications.
    This paper presents the progicnet programme. It proposes a general framework for probabilistic logic that can guide inference based on both logical and probabilistic input. After an introduction to the framework as such, it is illustrated by means of a toy example from psychometrics. It is shown that the framework can accommodate a number of approaches to probabilistic reasoning: Bayesian statistical inference, evidential probability, probabilistic argumentation, and objective Bayesianism. The framework thus provides insight into the relations between these approaches, it (...)
     
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  24.  21
    Enantiomorphy and Time.Jan-Willem Romeijn - 2005 - International Studies in the Philosophy of Science 19 (2):167 – 190.
    This article argues that time-asymmetric processes in spacetime are enantiomorphs. Subsequently, the Kantian puzzle concerning enantiomorphs in space is reviewed to introduce a number of positions concerning enantiomorphy, and to arrive at a dilemma: one must either reject that orientations of enantiomorphs are determinate, or furnish space or objects with orientation. The discussion on space is then used to derive two problems in the debate on the direction of time. First, it is shown that certain kinds of reductionism about the (...)
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  25.  17
    Book Review of Maria Carla Galavotti's "Philosophical Introduction to Probability". [REVIEW]Jan-Willem RomeiJn - 2008 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 39 (1):225-228.
  26.  4
    Good Listeners, Wise Crowds, and Parasitic Experts.Jan-Willem Romeijn, Tom Sterkenburg & Peter Grünwal - 2012 - Analyse & Kritik 34 (2):399-408.
    This article comments on the article of Thorn and Schurz in this volume and focuses on, what we call, the problem of parasitic experts. We discuss that both meta-induction and crowd wisdom can be understood as pertaining to absolute reliability rather than comparative optimality, and we suggest that the involvement of reliability will provide a handle on this problem.
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  27. *Wetenschapsfilosofie* door Leon Horsten, Igor Douven en Erik Weber. [REVIEW]Jan-Willem Romeijn & Allard Tamminga - 2008 - Algemeen Nederlands Tijdschrift voor Wijsbegeerte 100 (1):80-83.
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  28. Proceedings of the Foundations of the Formal Sciences VI: Reasoning About Probabilities and Probabilistic Reasoning.Benedikt Lowe, Jan-Willem Romeijn & Eric Pacuit (eds.) - 2008 - College Publications.
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  29. Foundations of the Formal Sciences Vi: Probabilistic Reasoning and Reasoning With Probabilities. Studies in Logic.Benedikt Löwe, Eric Pacuit & Jan-Willem Romeijn (eds.) - 2009 - College Publication.
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  30. EPSA 15 Selected Papers, European Studies in Philosophy of Science, Vol. 5.Michela Massimi, Jan-Willem Romeijn & G. Schurz (eds.) - 2017 - Springer.
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  31. EPSA15 Selected Papers: The 5th Conference of the European Philosophy of Science Association in Düsseldorf.Michela Massimi, Jan-Willem Romeijn & Gerhard Schurz (eds.) - 2017 - Springer International Publishing.
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  32. Interventies en conceptuele veranderingen.Jan-Willem Romeijn - 2008 - Algemeen Nederlands Tijdschrift voor Wijsbegeerte 100 (2):121-128.
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