lazy.fa {lazy.fa}

R Documentation

lazy.fa: Some factor analytic functions for lazy boys and girls.

Description

The following are the classes of the functions.

Factor Extraction Methods

• pca_by_als: A demo program of PCA with optimal transformation of data by ALS

• fa_hs: ML/LS Solution of Factor Analysis with Homoschedastic Error

• efa: Simple Iterative ML or LS Solution to Exploratory Factor Analysis

• cfa: Simple Iterative ML or LS Solution to Confirmatory Factor Analysis

• est_disp: ML Estimation of Normal Dispersion Matrix.

• normalize_fa: Normalization of Factor Score and Factor Pattern Matrices.

Rotation Functions

• planarR: Planar Rotation

• obliqueR: Planar Oblique Rotation with grid search of optimal rho.

Simplicity Indices

• LS_index: Lorenzo-Seva Loading Simplicity Index

• ss_index: sum of off diagonal elements of t(B2)%*%B2

• some more available

Data Generation

• gendatamfa_A: Generation of Simple Structure Factor Pattern Matrix

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