• Login
    View Item 
    •   SU+ Home
    • Research and Publications
    • Strathmore University Academia+
    • SU Scholarly Articles
    • View Item
    •   SU+ Home
    • Research and Publications
    • Strathmore University Academia+
    • SU Scholarly Articles
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Array-based schemes for group screening with test errors which incorporate a concentration effect

    Thumbnail
    View/Open
    Fulltext (1.029Mb)
    Date
    2015-06-04
    Author
    Odhiambo, John W.
    Mwambi, H.G.
    Haines, Linda M.
    Habtesllassie, Y.G.
    Metadata
    Show full item record
    Abstract
    Group screening is widely used as an efficient method for identifying samples or factors from a large population that are in some sense active. The focus in the present paper is on screening blood samples for infectious diseases when errors in testing are present. Specific attention is given to the introduction of a concentration effect, that is to settings in which the error in testing a group of blood samples depends on the number of samples in that group which are infected. Four array-based group screening schemes, the Dorfman, the and, the or and a modification of the and scheme, are considered and their performance appraised by deriving explicit formulae for the expected number of tests, the expected number of false negatives and the expected number of false positives. The results are illustrated by means of two examples. As an aside, relationships complementary to those derived in the context of blood screening are developed within the area of group factor screening.
    URI
    http://hdl.handle.net/11071/4036
    http://dx.doi.org/10.1016/j.jspi.2015.05.009
    Collections
    • SU Scholarly Articles [88]

    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV
     

     

    Browse

    All of SU+Communities & CollectionsBy Issue DateAuthorsTitlesSubjectsThis CollectionBy Issue DateAuthorsTitlesSubjects

    My Account

    Login

    DSpace software copyright © 2002-2016  DuraSpace
    Contact Us | Send Feedback
    Theme by 
    Atmire NV