NEWS

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piecewiseSEM 2.3.1 (2025-09-02)

• Fixed issue with anchors in cross-references
• Updated version number to three components

piecewiseSEM 2.3.0.1 (2024-06-11)

• Updated contact email
• Fixed issue with S3 methods and all

piecewiseSEM 2.3.0 (2023-03-04)

• Now supports model classes: glmmTMB , Sarlm
• Added d-sep and Chi-squared tests for gam models
• Added support for tibble and data.table
• Added stop_psem to deal with unsupported functions, e.g., poly
• Fixed issue with infinite loops with sortDag
• Fixed issue with getSDx not being able to get numeric from data.frame with additional attributes
• Fixed issue with GetData obtaining transformed data from lme4 objects
• Fixed issue with non-recursive models and igraph::is_dag
• Fixed issue with GetSDy not returning correlation when NAs are present
• Fixed issue with arguments in formulae for all.vars_trans and all.vars_notrans
• Fixed issue with GetSDy and glm.nb
• Fixed issue with rsquared when random slopes were not present as corresponding fixed effects
• Fixed issue with GetSingleData getting transformed data from gam models
• Fixed issue with anovaLRT returning weird rownames
• Fixed issue passing single object to anova.psem

piecewiseSEM 2.2.0

• Added log-likelihood chi-squared goodness-of-fit and AIC statistics from Shipley & Douma 2020
• Added coefficient standardization for GLM(M)
• Added preliminary support for GAMs
• Fixed issue with interactions coded with ":" and coefs
• Fixed issue with AICc and AIC.type = "dsep" calculating incorrectly

piecewiseSEM 2.1.2 (2020-12-09)

• Updated coefs to remove depracated function emmeans::CLD

piecewiseSEM 2.1.1

• Fixed bug with interactions without main effects in coefs
• Fixed issue with rsquared.glm for "gaussian" family andmethod = "nagelkerke" -Fixed issue withcar::Anovaoutput andhandleCategoricalCoefs`

piecewiseSEM 2.1.0 (2019-12-05)

• implemented igraph package for DAG construction and evaluation
• replaced pbkrtest with car::Anova
• added plot.psem function using DiagrammR package
• coefs now returns coefficients for categorical variables using emmeans and Anova
• added multigroup function and analysis
• added sqrt link for poisson GLMMs
• Changed contact e-mail to new affiliation
• Fixed bug with KRp and lmerMod models with intercepts
• Fixed bug with getOLRE and single observation-level random effects glmerMods
• Fixed errant parentheses in rsquared leading to wrong values for lme
• Fixed bug in cyclic where incorrect error was returned

piecewiseSEM 2.0.2 (2018-07-24)

• Fixed bug with partialCorr and negative correlations returning wrong P-value
• Fixed with coefs and standardization with mixed models

piecewiseSEM 2.0.1 (2018-07-03)

• Fixed bug with KRp and uneven sample size
• New warning issued when NAs present in the dataset
• Added Gamma distribution to rsquared
• Fixed bug to determine whether graph is cyclic
• Fixed bug thowing errors with calls to lmer
• Fixed bug creating errors with objects fit using lmerTest
• Added pkgdown website

piecewiseSEM 2.0

New syntax

• All functions have been re-written from the ground up
• Incorporates new psem function and S3 objects
• All necessary information can now be obtained with a single function summary

Updated R[2] functions

• Extends to new distributions and model types using a single function rsquared

New standardization procedures

• Implements range standardization for all response types
• Adds multiple forms of standardization for binary responses, see ?coefs

NOTES

• Removed sem.plot function
• Removed sem.lavaan function
• groups= argument is currently broken but will be fixed in version 2.1 (see doc)