PsyMetricTools 1.2.1

CRAN fixes

• The PDF manual now builds without LaTeX errors: the Unicode symbols >=, <=, -> and R^2 are written in portable form in the documentation of boot_cfa_plot_enhanced(), plot_mediation_chord(), plot_mediation_donuts() and plot_path_mediation(). This was the error that caused the 1.2.0 submission to be archived by CRAN.
• DESCRIPTION now declares R (>= 4.1.0), required by the use of the native pipe |> / lambda \(...) syntax in invertir_items() and split_data_stratified_clustered().

Improvements

• plot_path_cfa() rewritten: latent variables as circles, observed variables as rectangles, fan-out arrows, black-and-white default.

PsyMetricTools 1.2.0

Improvements

• plot_multi_sem() now supports multi-row panel layouts via the new nrow and ncol arguments. By default it keeps the previous behaviour (a single row with one column per model); when a grid is requested, leftover cells are left blank. Saved-figure dimensions scale with the grid (width_per per column, height per row).

PsyMetricTools 1.0.0

• Initial CRAN submission

Features

Data Preprocessing

• filtrar_aberrantes() - Filter aberrant response patterns using Mahalanobis distance
• invertir_items() - Reverse score items
• split_data_two() / split_data_three() - Split data for cross-validation
• smote_multiclass() - SMOTE oversampling for imbalanced multiclass data

Exploratory Factor Analysis (EFA)

• EFA_modern() - Modern EFA with multiple rotation options
• EFA_plot() - Visualize factor loadings
• Standardized_solutions() - Extract standardized EFA solutions
• boot_efa() - Bootstrap EFA for stability analysis
• efa_with_bootstrap() - EFA with bootstrap resampling

Confirmatory Factor Analysis (CFA)

• multi_cfa() - Fit multiple CFA models
• Standardized_solutions_cfa() - Extract standardized CFA solutions
• boot_cfa() - Bootstrap CFA for stability analysis
• boot_cfa_stability() - CFA stability across sample sizes

Measurement Invariance

• easy_invariance() - Measurement invariance analysis with ordinal data following Wu and Estabrook (2016)

Visualization

• Plot_Likert() / Plot_Likert2() - Likert scale visualizations
• boot_cfa_plot() - Bootstrap CFA results visualization
• boot_cfa_density() - Bootstrap distribution density plots
• boot_cfa_raincloud() - Raincloud plot visualizations
• boot_efa_plot() / boot_efa_forest_plot() - Bootstrap EFA visualizations
• plot_cfa_stability() family - CFA stability visualizations

Reliability

• calcula_omega_mcdonald() - McDonald’s omega coefficient

Utilities

• save_to_excel_table() - Export results to Excel
• create_groups() - Create item groups for factor definitions
• Model syntax generators for lavaan