Search Results - "Pensar, Johan"

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    Labeled directed acyclic graphs: a generalization of context-specific independence in directed graphical models by Pensar, Johan, Nyman, Henrik, Koski, Timo, Corander, Jukka

    Published in Data mining and knowledge discovery (01-03-2015)
    “…We introduce a novel class of labeled directed acyclic graph (LDAG) models for finite sets of discrete variables. LDAGs generalize earlier proposals for…”
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    DagSim: Combining DAG-based model structure with unconstrained data types and relations for flexible, transparent, and modularized data simulation by Al Hajj, Ghadi S, Pensar, Johan, Sandve, Geir K

    Published in PloS one (14-04-2023)
    “…Data simulation is fundamental for machine learning and causal inference, as it allows exploration of scenarios and assessment of methods in settings with full…”
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    High-dimensional structure learning of sparse vector autoregressive models using fractional marginal pseudo-likelihood by Suotsalo, Kimmo, Xu, Yingying, Corander, Jukka, Pensar, Johan

    Published in Statistics and computing (01-11-2021)
    “…Learning vector autoregressive models from multivariate time series is conventionally approached through least squares or maximum likelihood estimation. These…”
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    High-dimensional structure learning of binary pairwise Markov networks: A comparative numerical study by Pensar, Johan, Xu, Yingying, Puranen, Santeri, Pesonen, Maiju, Kabashima, Yoshiyuki, Corander, Jukka

    Published in Computational statistics & data analysis (01-01-2020)
    “…Learning the undirected graph structure of a Markov network from data is a problem that has received a lot of attention during the last few decades. As a…”
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    A Bayesian Decision-Support Tool for Child Sexual Abuse Assessment and Investigation by Tadei, Alessandro, Pensar, Johan, Corander, Jukka, Finnilä, Katarina, Santtila, Pekka, Antfolk, Jan

    Published in Sexual abuse (01-06-2019)
    “…In assessments of child sexual abuse (CSA) allegations, informative background information is often overlooked or not used properly. We therefore created and…”
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    The Genetics of Sexuality and Aggression (GSA) Twin Samples in Finland by Johansson, Ada, Jern, Patrick, Santtila, Pekka, von der Pahlen, Bettina, Eriksson, Elias, Westberg, Lars, Nyman, Henrik, Pensar, Johan, Corander, Jukka, Sandnabba, N. Kenneth

    Published in Twin research and human genetics (01-02-2013)
    “…The Genetics of Sexuality and Aggression (GSA) project was launched at the Abo Akademi University in Turku, Finland in 2005 and has so far undertaken two major…”
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    SuperDCA for genome-wide epistasis analysis by Puranen, Santeri, Pesonen, Maiju, Pensar, Johan, Xu, Ying Ying, Lees, John A, Bentley, Stephen D, Croucher, Nicholas J, Corander, Jukka

    Published in Microbial genomics (01-06-2018)
    “…The potential for genome-wide modelling of epistasis has recently surfaced given the possibility of sequencing densely sampled populations and the emerging…”
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    Locally interpretable tree boosting: An application to house price prediction by Hjort, Anders Dahl, Scheel, Ida, Sommervoll, Dag Einar, Pensar, Johan

    Published 2023
    “…We introduce Locally Interpretable Tree Boosting (LitBoost), a tree boosting model tailored to applications where the data comes from several heterogeneous yet…”
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    House price prediction with gradient boosted trees under different loss functions by Hjort, Anders, Pensar, Johan, Scheel, Ida, Sommervoll, Dag Einar

    Published in Journal of property research (02-10-2022)
    “…Many banks and credit institutions are required to assess the value of dwellings in their mortgage portfolio. This valuation often relies on an Automated…”
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    Representing local structure in Bayesian networks by Boolean functions by Zou, Yuan, Pensar, Johan, Roos, Teemu

    Published in Pattern recognition letters (01-08-2017)
    “…•We propose an algorithm for learning Bayesian networks with local structure.•The method is based on a logistic parametrization with interaction terms, Lasso,…”
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    Causal discovery for the microbiome by Corander, Jukka, Hanage, William P, Pensar, Johan

    Published in The Lancet. Microbe (01-11-2022)
    “…Measurement and manipulation of the microbiome is generally considered to have great potential for understanding the causes of complex diseases in humans,…”
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    The role of local partial independence in learning of Bayesian networks by Pensar, Johan, Nyman, Henrik, Lintusaari, Jarno, Corander, Jukka

    “…Bayesian networks are one of the most widely used tools for modeling multivariate systems. It has been demonstrated that more expressive models, which can…”
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    Structure Learning of Contextual Markov Networks using Marginal Pseudo-likelihood by PENSAR, JOHAN, NYMAN, HENRIK, CORANDER, JUKKA

    Published in Scandinavian journal of statistics (01-06-2017)
    “…Markov networks are popular models for discrete multivariate systems where the dependence structure of the variables is specified by an undirected graph. To…”
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