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Notes on I‐GSCA Implementation

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emstruong edited this page May 12, 2024 · 38 revisions

These are developer notes on how I-GSCA is implemented in the cSEM notes. It is intended to serve as both a refresher and reference to cSEM developers.

Implementation of cSEM::igsca()

Flow Chart

flowchart TD
    A["`Prepare Data using _cSEM::extract_parseModel_`"]
    B["`Initiate igsca using _cSEM::igsca()_`"]
    A --> B
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Comparisons with Other Implementations

The implementation of IGSCA in cSEM was compared against GSCAPro Version 1.2.1 and a Matlab version kindly sent by Dr. Heungsun Hwang.

GSCAPro V1.2.1

The .csv files for the output of GSCAPro are stored in tests/comparisons/igsca_translation/GSCAPro_1_2_1Output.

These .csv files were formatted for comparison using cSEM::get_lavaan_table_igsca_gscapro()

The .RData for comparing between GSCAPro and csem::igsca() are found in tests/data/igsca_gscapro.RData/

Matlab: igsca_sim_test.m

igsca_sim_test.m is a modified version of the original igsca_sim.m sent by Dr. Hwang. The modifications were made to facilitate the repeated execution of the exemplary model.

The .csv files for the input to igsca_sim.m are stored in tests/comparisons/igsca_translation/matlab_in.

The output of igsca_sim.m was transformed into a table of results (probably-THIS NEEDS TO BE DOUBLE CHECKED) through cSEM::get_lavaan_table_igsca_matrix()

The .RData for comparing between GSCAPro and csem::igsca() are found in tests/data/igsca_matlab.RData/

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