IDEAS home Printed from https://ideas.repec.org/a/taf/japsta/v42y2015i1p1-11.html
   My bibliography  Save this article

Measures of discrimination for latent group-based trajectory models

Author

Listed:
  • Nilesh H. Shah
  • Alison E. Hipwell
  • Stephanie D. Stepp
  • Chung-Chou H. Chang

Abstract

In clinical research, patient care decisions are often easier to make if patients are classified into a manageable number of groups based on homogeneous risk patterns. Investigators can use latent group-based trajectory modeling to estimate the posterior probabilities that an individual will be classified into a particular group of risk patterns. Although this method is increasingly used in clinical research, there is currently no measure that can be used to determine whether an individual's group assignment has a high level of discrimination. In this study, we propose a discrimination index and provide confidence intervals of the probability of the assigned group for each individual. We also propose a modified form of entropy to measure discrimination. The two proposed measures were applied to assess the group assignments of the longitudinal patterns of conduct disorders among young adolescent girls.

Suggested Citation

  • Nilesh H. Shah & Alison E. Hipwell & Stephanie D. Stepp & Chung-Chou H. Chang, 2015. "Measures of discrimination for latent group-based trajectory models," Journal of Applied Statistics, Taylor & Francis Journals, vol. 42(1), pages 1-11, January.
    • Handle: RePEc:taf:japsta:v:42:y:2015:i:1:p:1-11
    DOI: 10.1080/02664763.2014.928849
    as

    Download full text from publisher

    File URL: http://hdl.handle.net/10.1080/02664763.2014.928849
    Download Restriction: Access to full text is restricted to subscribers.
    File URL: https://libkey.io/10.1080/02664763.2014.928849?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:taf:japsta:v:42:y:2015:i:1:p:1-11. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Chris Longhurst (email available below). General contact details of provider: http://www.tandfonline.com/CJAS20 .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.