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Article

Longitudinal Modeling of Age-Dependent Latent Traits with Generalized Additive Latent and Mixed Models.

Psychometrika - 1 Jun 2023

Sørensen Øystein, Fjell Anders M, Walhovd Kristine B

Abstract excerpt

We present generalized additive latent and mixed models (GALAMMs) for analysis of clustered data with responses and latent variables depending smoothly on observed variables. A scalable maximum likelihood estimation algorithm is proposed, utilizing the Laplace approximation, sparse matrix computation, and automatic differentiation. Mixed response types, heteroscedasticity, and crossed random effects are naturally...

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Identifiers

PMID: 36976415
DOI: 10.1007/s11336-023-09910-z
PMCID: PMC10188428

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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