Ontology highlight
ABSTRACT:
SUBMITTER: Neuhaus JM
PROVIDER: S-EPMC3954410 | biostudies-literature | 2014 Mar
REPOSITORIES: biostudies-literature
Neuhaus John M JM Scott Alastair J AJ Wild Christopher J CJ Jiang Yannan Y McCulloch Charles E CE Boylan Ross R
Biometrics 20131121 1
Investigators commonly gather longitudinal data to assess changes in responses over time and to relate these changes to within-subject changes in predictors. With rare or expensive outcomes such as uncommon diseases and costly radiologic measurements, outcome-dependent, and more generally outcome-related, sampling plans can improve estimation efficiency and reduce cost. Longitudinal follow up of subjects gathered in an initial outcome-related sample can then be used to study the trajectories of ...[more]