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Analisi robusta dei profili latenti×Modellazione robusta di miscele×
CampoStatisticaStatistica
FamigliaLatent structureLatent structure
Anno di origine2010s2000–2008
IdeatoreBuilding on Vermunt & Magidson (2002); robust extensions developed through contaminated normal mixture literature (Punzo & McNicholas, 2010s)Peel & McLachlan (t-mixture); Garcia-Escudero et al. (trimming framework)
TipoPerson-centered mixture model with robust estimationLatent-class probabilistic clustering with outlier protection
Fonte seminaleVermunt, J. K. & Magidson, J. (2002). Latent class cluster analysis. In J. A. Hagenaars & A. L. McCutcheon (Eds.), Applied Latent Class Analysis (pp. 89–106). Cambridge University Press. ISBN: 978-0521594035Garcia-Escudero, L. A., Gordaliza, A., Matran, C. & Mayo-Iscar, A. (2008). A general trimming approach to robust cluster analysis. Annals of Statistics, 36(3), 1324–1345. DOI ↗
AliasRLPA, robust LPA, robust mixture model for continuous indicators, outlier-robust latent profile analysisrobust mixture model, robust GMM, outlier-robust mixture model, trimmed mixture model
Correlati55
SintesiRobust latent profile analysis identifies latent subgroups of individuals based on their continuous multivariate indicators while protecting parameter estimates from distortion by outliers or atypical observations. It extends standard latent profile analysis by replacing the Gaussian component densities with heavier-tailed or contaminated-normal alternatives that down-weight extreme cases during estimation.Robust mixture modeling fits finite mixture models — probabilistic clustering methods that assume data arise from a blend of underlying subpopulations — using component distributions or estimation strategies designed to be insensitive to outliers and heavy-tailed noise. The two dominant approaches replace Gaussian components with heavier-tailed distributions such as the multivariate t, or trim a fixed proportion of the most extreme observations before fitting.
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ScholarGateConfronta i metodi: Robust Latent Profile Analysis · Robust Mixture Modeling. Consultato il 2026-06-17 da https://scholargate.app/it/compare