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lavaan or blavaan.augment() — augments fitted models with predicted
values, residuals, SEs, and CIs (continuous, ordinal, or mixed
indicators).prepare() — constructs model-based item curves and
latent grids for continuous/ordinal indicators.lavPredict_parallel() — robust, parallel wrapper for
lavaan::lavPredict() with automatic handling of ordinal
data.item_data() — extracts model-based and empirical
item-level information for plotting or inspection.item_plot() — visualizes empirical vs. model-implied
item curves, including confidence intervals.resid_cor() — computes residual (co)relations and
z-statistics.resid_corrplot() — visualizes residual correlations
using corrplot.resid_qq() — draws Q–Q plots of residual correlation
z-statistics.parameter_estimates() — enhanced extraction of
standardized parameter estimates with robust SEs.model_info() — extracts compact model metadata
(grouping, variables, parameterization, etc.).hopper_plot() — summarizes fit indices and modification
indices across multiple models.These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.