Multiple refactorings reformatted#193

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alyst wants to merge 74 commits intoStructuralEquationModels:develfrom

alyst:optim_ext_ram_reformatted

Commits on Mar 21, 2026

Project.toml: support Symbolics v7 & Utils v4
Alexey Stukalov
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Commits on Mar 23, 2026

prepare_start_params(): tighten type check
Alexey Stukalov
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SemImplied/SemLossFun: drop meanstructure kwarg

alyst
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Alexey Stukalov
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Commits on Mar 26, 2026

refactor Sem, SemEnsemble, SemLoss

alyst
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Alexey Stukalov
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params/param_labels(): use both as synonyms for now
Alexey Stukalov
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check_same_semterm_type(): refactor check_single_lossfun()
Alexey Stukalov
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update multi-group correction
Alexey Stukalov
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replace_observed(): simplify & refactor
Alexey Stukalov
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bootstrap: sync with Sem updates
Alexey Stukalov
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CFI: sync with Sem refactor
Alexey Stukalov
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test/build_models: remove redundant model
Alexey Stukalov
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revert using
Alexey Stukalov
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WLS: verbose option
Alexey Stukalov
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docs: sync with Sem refactor
Alexey Stukalov
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test: fix formatting
Alexey Stukalov
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fit_measures(): support vectors of funcs
Alexey Stukalov
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test_fitmeasures(): refactor/simplify
Alexey Stukalov
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test/multigroup: small tweaks
Alexey Stukalov
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Commits on Mar 30, 2026

finite_diff: replace_observed()
Alexey Stukalov
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replace_observed(): support kwargs
Alexey Stukalov
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replace_observed(SemWLS, ...; update_internal_state)
Alexey Stukalov
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tests/model: replace_observed() kwargs passing
Alexey Stukalov
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Commits on Mar 31, 2026

replace_observed(...; recompute_obs_state=true)
Alexey Stukalov
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tests/model: test multi-group data ctor
Alexey Stukalov
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Commits on May 4, 2026

SemFiniteDiff constructor to keep same Syntax

Maximilian-Stefan-Ernst
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alyst
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Sem print methods

Maximilian-Stefan-Ernst
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alyst
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add details method for AbstractSem

Maximilian-Stefan-Ernst
authored and
alyst
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shorten model

Maximilian-Stefan-Ernst
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alyst
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Sem(): remove SemWLS kw check logic

Alexey Stukalov
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alyst
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Sem(): cleanup constructor

Alexey Stukalov
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alyst
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show(::Sem): respect existing :compact key

Alexey Stukalov
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alyst
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add show method for AbstractSem

Maximilian-Stefan-Ernst
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alyst
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simulation.md: whitespace fixes
alyst
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replace_obs(sem): make sure Sem type is preserved

alyst
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Copilot
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replace_obs(sem): update docstring
alyst
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replace_obs(loss): extract check_obs_vars() method

alyst
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Copilot
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test/multigroup: avoid clash with observed_vars() method
alyst
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SemLoss(observed, implied, refloss; kwarg...) ctor

alyst
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Copilot
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replace_observed(): use 3-arg SemLoss ctor

alyst
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Copilot
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boostrap!(): deepcopy the sem

alyst
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Copilot
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unit_tests/model: more config-preserving tests

alyst
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Copilot
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tests: replace_observed(UserSemML)
alyst
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show(ParTable): fix formatting
alyst
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Commits on May 5, 2026

WIP SemImpliedState
Alexey Stukalov
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declare cov matrices symmetric

alyst
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Alexey Stukalov
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RAM: reuse sigma array
Alexey Stukalov
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RAM: optional sparse Sigma matrix
Alexey Stukalov
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ML: refactor to minimize allocs

alyst
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Alexey Stukalov
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add PackageExtensionCompat
Alexey Stukalov
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variance_params(SEMSpec)
Alexey Stukalov
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predict_latent_vars()

alyst
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Alexey Stukalov
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fixup docstring
Alexey Stukalov
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lavaan_model()
Alexey Stukalov
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test_grad/hess(): check that alt calls give same results
Alexey Stukalov
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start_simple(): code cleanup

alyst
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Alexey Stukalov
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start_simple(): start vals for lat and obs means
Alexey Stukalov
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observed_vars(RAMMatrices; order): rows/cols order

alyst
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Alexey Stukalov
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observed_var_indices(::RAMMatrices; order=:columns)
Alexey Stukalov
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move sparse mtx utils to new file

alyst
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Alexey Stukalov
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reorder_observed_vars!(spec) method

alyst
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Alexey Stukalov
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vech() and vechinds() functions

alyst
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Alexey Stukalov
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RAMMatrices(): ctor to replace params
Alexey Stukalov
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use `@printf` to limit signif digits printed

alyst
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Alexey Stukalov
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ML/FIML: workaround generic_matmul issue

alyst
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Alexey Stukalov
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BlackBoxOptim.jl backend support

alyst
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Alexey Stukalov
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non_posdef_return(v) -> non_posdef_objective(v)
Alexey Stukalov
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MeanStruct(ram)

alyst
authored and
Alexey Stukalov
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SemObserved: fix mean_and_cov() call
Alexey Stukalov
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filter_used_params()
Alexey Stukalov
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param_indices(spec) method
Alexey Stukalov
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SemNorm: generalize SemRidge

alyst
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Alexey Stukalov
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add SemHinge
Alexey Stukalov
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add SemSquaredHinge
Alexey Stukalov
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quad.jl: optimized methods for X*A*X', X*X' etc
Alexey Stukalov
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