Package: semlbci 0.12.1

semlbci: Likelihood-Based Confidence Interval in Structural Equation Models

Forms likelihood-based confidence intervals (LBCIs) for parameters in structural equation modeling, introduced in Cheung and Pesigan (2023) <doi:10.1080/10705511.2023.2183860>. Currently implements the algorithm illustrated by Pek and Wu (2018) <doi:10.1037/met0000163>, and supports the robust LBCI proposed by Falk (2018) <doi:10.1080/10705511.2017.1367254>.

Authors:Shu Fai Cheung [aut, cre], Ivan Jacob Agaloos Pesigan [ctb]

semlbci_0.12.1.tar.gz
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manual.pdf |manual.html✨
DESCRIPTION |NEWS
card.svg |card.png
semlbci/json (API)

# Install 'semlbci' in R:
install.packages('semlbci', repos = c('https://sfcheung.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/sfcheung/semlbci/issues

Pkgdown/docs site:https://sfcheung.github.io

Datasets:

On CRAN:

Conda:

confidence-intervalslavaanlikelihood-basedprofile-likelihoodstructural-equation-modeling

6.17 score 1 stars 163 scripts 339 downloads 25 exports 31 dependencies

Last updated from:b8d7900548. Checks:9 OK. Indexed: yes.

TargetResultTimeFilesSyslog
linux-develOK188
source / vignettesOK206
linux-releaseOK185
macos-releaseOK130
macos-oldrelOK113
windows-develOK140
windows-releaseOK137
windows-oldrelOK128
wasm-releaseOK128

Exports:check_sem_outci_bound_urci_bound_ur_ici_bound_wn_ici_i_oneci_ordergen_est_igen_sem_out_userpgen_userpget_ciboundget_cibound_status_not_0loglike_compareloglike_compare_urloglike_pointloglike_point_urloglike_quad_pointloglike_quad_point_urloglike_quad_rangeloglike_quad_range_urloglike_rangeloglike_range_urnearby_levelssemlbciset_constraintsyntax_to_i

Dependencies:callrclicpp11farverggplot2ggrepelgluegtableisobandlabelinglavaanlifecycleMASSmnormtnloptrnumDerivotelpbapplypbivnormprocessxpsquadprogR6RColorBrewerRcpprlangS7scalesvctrsviridisLitewithr

Get Started
Introduction | Fit a Model to a Dataset | Examples | Find the LBCI for Selected Free Parameters | Default Parameters | Customizing the Printout | Find the LBCI for a User-Defined Parameter | Find the LBCI for the Parameters in the Standardized Metric | Basic Arguments in semlbci() | sem_out and pars: The Fit Object and the Parameters | ciperc: The Level of Confidence | standardized: Whether Standardized Solution Is Used | parallel and ncpus | try_k_more_times and semlbci_out | Other Arguments | Additional Features | Multiple-Group Models | Robust LBCI | Latent Level Parameters | More Examples | Limitations | Estimators | Models | Methods | Technical Details | References
Rendered fromsemlbci.Rmdusingknitr::rmarkdown

Last update: 2026-07-27
Started: 2022-05-17

Log Profile Likelihood of a Parameter
Introduction | Limitations | Fitting a Simple Mediation model | Log Profile likelihood Plots | The a-path | The indirect effect | Final Remarks | Reference
Rendered fromloglike.Rmdusingknitr::rmarkdown

Last update: 2026-07-27
Started: 2023-03-03

Searching for One Bound
Introduction | Examples | A Simple Mediation Model | Find the LBCI of a Regression Coefficient | Find the LBCI of a Function of Coefficients: The Indirect Effect | References
Rendered fromtechnical_searching_one_bound.Rmdusingknitr::rmarkdown

Last update: 2026-07-27
Started: 2023-04-02

Readme and manuals

Help Manual

Help pageTopics
Dataset (CFA, Two Factors, One Standardized Error Variance Close to Zero)cfa_evar_near_zero
Dataset (CFA, Two Factors, Six Variables)cfa_two_factors
Dataset (CFA, Two Factors, Six Variables, Two Groups)cfa_two_factors_mg
Pre-analysis Check For 'semlbci'check_sem_out
Find a Likelihood-Based Confidence Bound By Root Findingci_bound_ur gen_est_i
Likelihood-Based Confidence Bound By Root Findingci_bound_ur_i
Likelihood-based Confidence Bound By Wu-Neale-2012ci_bound_wn_i
Likelihood-Based Confidence Bound for One Parameterci_i_one
Check The Order of Bounds in a List of 'semlbci' Objectsci_order print.ci_order
Confidence Intervals for a 'smelbci' Objectconfint.semlbci
Create a Wrapper To Be Used in 'lavaan' Modelsgen_sem_out_userp gen_userp
A 'cibound' Output From a 'semlbci' Objectget_cibound get_cibound_status_not_0
Log Profile likelihood of a Parameterloglikelihood loglike_compare loglike_compare_ur loglike_point loglike_point_ur loglike_quad_point loglike_quad_point_ur loglike_quad_range loglike_quad_range_ur loglike_range loglike_range_ur
Dataset (SEM, Three Factors, Nine Variables, Mediation)mediation_latent
Dataset (SEM, Three Factors, Nine Variables, Mediation, Skewed)mediation_latent_skewed
LBCI Bounds of Nearby Levels of Confidencenearby_levels
Plot the Output of 'loglike_compare()'plot.loglike_compare
Print Method of a 'cibound'-class Objectprint.cibound
Print Method of a 'semlbci' Objectprint.semlbci
Dataset (Six Variables, One Correlation Close to One)reg_cor_near_one
Likelihood-Based Confidence Intervalsemlbci
Equality Constraint for Finding the LBCI by Wu-Neale-2012set_constraint
Dataset (Simple Mediation Model)simple_med
Dataset (Simple Mediation Model, Two Groups)simple_med_mg
Parameter Positions From lavaan Syntaxsyntax_to_i