| achim | A list of seven correlation matrices. | 
| achim24 | A correlation matrix composed of six factors. | 
| BartlettSphericity | Bartlett Sphericity Test | 
| briggs_maccallum2003 | A list of three correlation matrices. | 
| caron2016 | A list of six correlation matrices composed of nine variables with three factors and different levels of correlations between factors. | 
| caron2019 | A list of 15 correlation matrices composed of nine variables with three factors and different levels of correlations between factors. | 
| corFIML | Full Information Maximum Likelihood (FIML) correlation or covariance matrix | 
| cormat | A list containing 120 correlation matrices. | 
| cormat.l | A list containing 120 lists of correlation matrices and their underlying characteristics. | 
| cor_nest | Compute covariance or correlation matrix with treatments for clusters and missing values | 
| covFIML | Full Information Maximum Likelihood (FIML) correlation or covariance matrix | 
| cov_nest | Compute covariance or correlation matrix with treatments for clusters and missing values | 
| EKC | Empirical Kaiser Criterion (EKC) | 
| ekc | Empirical Kaiser Criterion (EKC) | 
| ex_2factors | A correlation matrix composed of 2 factors. | 
| ex_3factors_doub_unique | A correlation matrix composed of two factors, a doublet factor and a unique variable. | 
| ex_4factors_corr | A correlation matrix composed of 4 correlated factors. | 
| ex_mqr | A correlation matrix from chapter 19 Explorer of Méthodes quantitatives avec R (MQR). | 
| genr8 | Simplify the the generation from a multivariate normal distributions. | 
| Ledermann | Ledermann bound. | 
| loadings | Print Loadings in NEST | 
| MAP | Minimum average partial correlation (MAP) | 
| map | Minimum average partial correlation (MAP) | 
| meek_bouchard | A correlation matrix from Meek-Bouchard. | 
| NEST | Next Eigenvalue Sufficiency Test (NEST) | 
| nest | Next Eigenvalue Sufficiency Test (NEST) | 
| PA | Parallel analysis | 
| pa | Parallel analysis | 
| plot.nest | Plot results of Next Eigenvalues Sufficiency Test (NEST) | 
| print.nest | Print results of NEST | 
| remove_unique | Remove unique variables | 
| shem | Split-Half Eigenvector Matching (SHEM) | 
| summary.nest | Summary results of NEST | 
| tabachnick_fidell2019 | A covariance matrix composed of 11 variables. | 
| TEST1 | A problematic correlation matrix from Paquin. | 
| unique_variable | Probability of unique variables |