A class of neutral to the right priors induced by superposition of beta processes
A random distribution function on the positive real line which belongs to the class of neutral to the right priors is defined. It corresponds to the superposition of independent beta processes at the cumulative hazard level. The definition is constructive and starts with a discrete time process with random probability masses obtained from suitably defined products of independent beta random variables. The continuous time version is derived as the corresponding infinitesimal weak limit and is described in terms of completely random measures. It takes the interpretation of the survival distribution resulting from independent competing failure times. We discuss prior specification and illustrate posterior inference on a real data example.
|Date of creation:||2009|
|Date of revision:|
|Contact details of provider:|| Postal: |
Web page: http://www.carloalberto.org/
More information through EDIRC
When requesting a correction, please mention this item's handle: RePEc:cca:wpaper:130. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Giovanni Bert)
If references are entirely missing, you can add them using this form.