A note on applying the BCH method under linear equality and inequality constraints

L. Boeschoten*, M. A. Croon, D. L. Oberski

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Researchers often wish to relate estimated scores on latent variables to exogenous covariates not previously used in analyses. The BCH method corrects for asymptotic bias in estimates due to these scores’ uncertainty and has been shown to be relatively robust. When applying the BCH approach however, two problems arise. First, negative cell proportions can be obtained. Second, the approach cannot deal with situations where marginals need to be fixed to specific values, such as edit restrictions. The BCH approach can handle these problems when placed in a framework of quadratic loss functions and linear equality and inequality constraints. This research note gives the explicit form for equality constraints and demonstrates how solutions for inequality constraints may be obtained using numerical methods.
Original languageEnglish
Pages (from-to)566-575
JournalJournal of Classification
Volume36
DOIs
Publication statusPublished - 2019

Keywords

  • BCH method
  • Classification
  • LATENT
  • Latent class analysis
  • Three-step procedure
  • VARIABLES

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