Random component threshold models

Ayoub Saei*, C. A. McGilchrist

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Three threshold models, in which the response variable is related to regression variables with fixed coefficients as well as random components, are fitted to ordinal data. Estimation procedures are based on the use of penalized likelihood methods to provide the initial computations for both approximate maximum likelihood and residual maximum likelihood methods. Procedures are applied to a problem arising in the testing of dairy products.

Original languageEnglish
Pages (from-to)288-296
Number of pages9
JournalJournal of Agricultural, Biological, and Environmental Statistics
Issue number3
Publication statusPublished - Sept 1996
Externally publishedYes


  • Coliform
  • Dairy products
  • Maximum likelihood
  • Ordinal data
  • Penalized likelihood
  • REML


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