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EFA.dimensions (version 0.1.9.2)

Exploratory Factor Analysis Functions for Assessing Dimensionality

Description

Functions for an assortment of factor analysis-related procedures, including eleven procedures for determining the number of factors; for factor analysis with multiple options for methods of extraction and rotation; for bi-factor analysis; for extension factor analysis; options for running the analyses using either raw data or correlation matrices as input and with options for conducting the analyses using Pearson correlations, Kendall correlations, Spearman correlations, gamma correlations, or polychoric correlations; wrapper 'lavaan'-based functions for factorial invariance and exploratory structural equation modeling; functions for the factor-ability of a correlation matrix, for the congruence between factors from different datasets, for the assessment of local independence, for the assessment of factor solution complexity, for internal consistency, and for correcting Pearson correlation coefficients for attenuation due to unreliability. Auerswald & Moshagen (2019, ); Field, Miles, & Field (2012, ISBN:978-1-4462-0045-2); Mulaik (2010, ISBN:978-1-4200-9981-2); O'Connor (2000, ).

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Version

Install

install.packages('EFA.dimensions')

Monthly Downloads

685

Version

0.1.9.2

License

GPL (>= 2)

Maintainer

Brian O'Connor

Last Published

September 30th, 2026

Functions in EFA.dimensions (0.1.9.2)

DIMTESTS

Tests for the number of factors
EMPKC

The empirical Kaiser criterion method
EFA

Exploratory factor analysis
EFA.dimensions-defunct

Defunct functions
COMPLEXITY

Factor solution complexity
BIFACTOR

Bifactor analysis
EFA.dimensions-package

EFA.dimensions
EFA_SCORES

Exploratory factor analysis scores
CORRECTED_CORRELS

Corrected Pearson correlation coefficients
CONGRUENCE

Factor solution congruence
NEVALSGT1

The number of eigenvalues greater than 1
LOCALDEP

Local dependence
ESEM

Exploratory Structural Equation Modeling
MAP

Velicer's minimum average partial (MAP) test
INTERNAL_CONSISTENCY

Internal consistency reliability coefficients
Factorial_Invariance

Factor Model Invariance
FACTORABILITY

Factorability of a correlation matrix
OMEGA

Omega internal consistency reliability coefficients
EXTENSION_FA

Extension factor analysis
MISSING_INFO

Missing value statistics
PARALLEL

Parallel analysis of eigenvalues (random data only)
PLOT_Invariance

Plots of multiple groups factor analysis invariance statistics
RECODE

Recode values in a vector
POLYCHORIC_R

Polychoric correlation matrix
SALIENT

Salient loadings criterion for the number of factors
SCREE_PLOT

Scree plot of eigenvalues
data_RSE_sex

Item-level dataset for the Rosenberg Self-Esteem scale plus gender
RAWPAR

Parallel analysis of eigenvalues (for raw data)
PROCRUSTES

Procrustes factor rotation
ROOTFIT

Factor fit coefficients
SMT

Sequential chi-square model tests
SESCREE

Standard Error Scree test
data_Harman

Correlation matrix from Harman (1967, p. 80).
data_NEOPIR

data_NEOPIR
data_Field

data_Field
PCA

Principal components analysis
data_SDT

data_SDT
data_HS_1939

Holzinger and Swineford (1939) data for 9 mental ability test scores
data_RSE

Item-level dataset for the Rosenberg Self-Esteem scale
data_RSE_not_recoded

Item-level dataset for the Rosenberg Self-Esteem scale
data_TabFid

data_TabFid