NEWS

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rmedsem 1.1.1

• New backend for PLS-SEM and PLSc-SEM models estimated with plssem

rmedsem 1.1.0 (2026-09-16)

Breaking changes

• summary() returns a summary.rmedsem object
• as.data.frame() returns a plain data frame
• rmedsem() stops with an error for models that previously ran but gave wrong or empty results
• ci.two.tailed now determines all intervals
• blavaan: the direct effect's pval is now the posterior probability of the opposite sign
• mcreps defaults to 5000 and is no longer raised to the sample size
• RID is not reported if the direct effect is not significant; RIT() warns if the total effect is too small

New features

• summary() method
• New methods coef(), confint() and nobs() for rmedsem objects.
• rmedsem.blavaan() gains ci.two.tailed and hdi (highest-density intervals)
• Printing is now an extensible S3 method system
• Result objects gain the elements zlc.method
• All exported functions check their arguments and stop with informative messages
• lavaan: a warning is given if the model did not converge.
• cSEM: new seed argument; results are reproducible with set.seed()

Bug fixes

• lavaan and modsem models with labelled regression paths (e.g., read ~ a*math) now work
• blavaan: the rows of the printed table were shifted relative to their labels
• modsem: the moderation effects are printed in causal direction
• cSEM: the bootstrap interval of the indirect effect was taken from the incorrect row
• digits and indent are passed correctly to the effect-size output.
• plot_coef() no longer emits a position_dodge() warning
• Very small p-values are no longer printed as 0
• plot_effect() title and caption are wrapped to fit small figures
• summary() and plot_effect() flag RIT and RID values that should not be interpreted
• Clearer printed output
• Dependencies on dplyr and purrr removed

Documentation

• Help pages were merged into a compact set: ?rmedsem, ?rmedsem-methods, ?effect-sizes and ?plot.rmedsem
• Examples for all backends
• Corrected and completed the documentation of the datasets (incl. sources and response scales)
• New article "Working with the results"
• Added CRAN badge to README

rmedsem 1.0.0 (2026-03-16)

• Initial CRAN release.
• Support for mediation analysis with lavaan (CB-SEM), cSEM (PLS-SEM), blavaan (Bayesian SEM), and modsem (moderated mediation).
• Implements Baron and Kenny (1986) and Zhao, Lynch & Chen (2010) approaches.
• Reports indirect effects via Sobel, Delta, and Monte-Carlo methods.
• Effect size measures: RIT and RID.
• Summary and plot methods for results.
• Fix standard error calculation for standardized coefficients in rmedsem.lavaan and rmedsem.modsem (contributed by Kjell Slupphaug).
• New ci.two.tailed parameter for configurable confidence interval width.