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    Predicting stillbirth using LASSO with structured penalties

    Access Status
    Open access
    Authors
    Whitney, Emily
    Phatak, Aloke
    Pereira, Gavin
    Date
    2019
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Whitney, E. and Phatak, A. and Pereira, G. 2019. Predicting stillbirth using LASSO with structured penalties. In Proceedings of the 34th International Workshop on Statistical Modelling. 7-12 July 2019, Guimarães, Portugal.
    Source Title
    Proceedings of the 34th International Workshop on Statistical Modelling, Volume II
    Source Conference
    International Workshop on Statistical Modelling
    ISBN
    978-989-20-9630-8
    Faculty
    Faculty of Science and Engineering
    School
    Curtin Institute for Computation (CiC)
    URI
    http://hdl.handle.net/20.500.11937/77769
    Collection
    • Curtin Research Publications
    Abstract

    Using a structured fusion penalty in regression models containing only categorical explanatory variables yields patterns of indicator variables that are simpler and more easily interpretable than regressions produced using the more commonly-used LASSO and group LASSO penalties. We construct logistic regression models for predicting stillbirth from categorical explanatory variables and demonstrate that using a structured fusion penalty produces regressions that are easier to interpret yet yield similar predictive ability.

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