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LSTMfactors: Determining the Number of Factors in Exploratory Factor Analysis by LSTM

A method for factor retention using a pre-trained Long Short Term Memory (LSTM) Network, which is originally developed by Hochreiter and Schmidhuber (1997) <doi:10.1162/neco.1997.9.8.1735>, is provided. The sample size of the dataset used to train the LSTM model is 1,000,000. Each sample is a batch of simulated response data with a specific latent factor structure. The eigenvalues of these response data will be used as sequential data to train the LSTM. The pre-trained LSTM is capable of factor retention for real response data with a true latent factor number ranging from 1 to 10, that is, determining the number of factors.

Version: 1.0.0
Depends: R (≥ 4.3.0)
Imports: reticulate, EFAfactors
Published: 2025-07-07
DOI: 10.32614/CRAN.package.LSTMfactors
Author: Haijiang Qin ORCID iD [aut, cre, cph], Lei Guo ORCID iD [aut, cph]
Maintainer: Haijiang Qin <haijiang133 at outlook.com>
License: GPL-3
URL: https://haijiangqin.com/LSTMfactors/
NeedsCompilation: yes
Materials: NEWS
CRAN checks: LSTMfactors results

Documentation:

Reference manual: LSTMfactors.pdf

Downloads:

Package source: LSTMfactors_1.0.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: not available
macOS binaries: r-release (arm64): LSTMfactors_1.0.0.tgz, r-oldrel (arm64): LSTMfactors_1.0.0.tgz, r-release (x86_64): LSTMfactors_1.0.0.tgz, r-oldrel (x86_64): LSTMfactors_1.0.0.tgz

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