Conduct Additional Modeling and Analysis for 'seminr' R package seminrExtras version 1.0.2 Supplementary tools for evaluating and validating partial least squares structural equation models estimated with 'seminr'. Provides methods for predictive model assessment, importance-performance analysis with necessary condition testing, overfitting diagnostics, measurement model verification, mediator contribution analysis, unobserved heterogeneity detection via latent class and prediction-oriented segmentation, and congruence coefficient testing. All functions accept estimated 'seminr' model objects and return results with print, summary, and plot methods. Software Imports: seminr (>= 2.4.0), stats, graphics, grDevices, utils, rpart Suggests: testthat (>= 3.0.0), knitr, rmarkdown, MASS, paran, psych, learnr Nicholas Patrick Danks <nicholasdanks@hotmail.com> Comprehensive R Archive Network (CRAN) Soumya Ray [aut, ths], Nicholas Patrick Danks [aut, cre] GPL-3 2026-06-30 application/tgz https://CRAN.R-project.org/package=seminrExtras doi:10.32614/CRAN.package.seminrExtras