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EFA.dimensions (version 0.1.7.2)

Exploratory Factor Analysis Functions for Assessing Dimensionality

Description

Functions for eleven procedures for determining the number of factors, including functions for parallel analysis and the minimum average partial test. There are functions for conducting principal components analysis, principal axis factor analysis, maximum likelihood factor analysis, image factor analysis, and extension factor analysis, all of which can take 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. Varimax rotation, promax rotation, and Procrustes rotations can be performed. Additional functions focus on the factorability of a correlation matrix, the congruences between factors from different datasets, the assessment of local independence, and the assessment of factor solution complexity. O'Connor (2000, ); O'Connor (2001, ); Auerswald & Moshagen (2019, ); Fabrigar & Wegener (2012, ISBN:978-0-19-973417-7); Field, Miles, & Field (2012, ISBN:978-1-4462-0045-2).

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Version

Install

install.packages('EFA.dimensions')

Monthly Downloads

1,383

Version

0.1.7.2

License

GPL (>= 2)

Maintainer

Brian O'Connor

Last Published

February 5th, 2021

Functions in EFA.dimensions (0.1.7.2)

COMPLEXITY

Factor solution complexity
LOCALDEP

Local dependence
DIMTESTS

Tests for the number of factors
EFA.dimensions-package

EFA.dimensions
FACTORABILITY

Factorability of a correlation matrix
CONGRUENCE

Factor solution congruence
EMPKC

The empirical Kaiser criterion method
MAP

Velicer's minimum average partial (MAP) test
IMAGE_FA

Image factor analysis
EXTENSION_FA

Extension factor analysis
PCA

Principal components analysis
MAXLIKE_FA

Maximum likelihood factor analysis
data_Harman

Correlation matrix from Harman (1967, p. 80).
NEVALSGT1

The number of eigenvalues greater than 1
data_NEOPIR

data_NEOPIR
data_Field

data_Field
VARIMAX

varimax rotation
PROMAX

promax rotation
PROCRUSTES

Procrustes factor rotation
RAWPAR

Parallel analysis of eigenvalues (for raw data)
ROOTFIT

Factor fit coefficients
SESCREE

Standard Error Scree test
PA_FA

Principal axis (common) factor analysis
PARALLEL

Parallel analysis of eigenvalues (random data only)
SALIENT

Salient loadings criterion for the number of factors
SMT

Sequential chi-square model tests
POLYCHORIC_R

Polychoric correlation matrix
SCREE_PLOT

Scree plot of eigenvalues
data_RSE

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

data_TabFid