Principal components and exploratory factor analysis
Stata
Exploratory factor analysis (2023): video , data file , Do file , Powerpoint
Parallel analysis using 'fapara' program: video, .dta file, Word doc , IDRE on fapara (this program relies on the mean of randomly generated eigenvalues)
Parallel analysis using 'paran' program: video, .dta file, Word doc , see also (this program allows the user to utilize the mean or a percentile of the randomly generated eigenvalues)
How to obtain comparable output when carrying out iterated principal factor analysis using SPSS and STATA: video, .sav file, .dta file, Word document
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SPSS
Exploratory factor analysis using SPSS: video (May 2023) , SPSS data , syntax file , Powerpoint (Aug 2023)
PCA using SPSS (October 2019): video, .sav file, Powerpoint
Exploratory factor analysis/principal axis factoring (October 2019): video, Powerpoint, .sav file
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PCA using SPSS (2018): Powerpoint, .sav file
Using SPSS to carry out principal components analysis: video, .sav file, link to online parallel analysis engine
---Link to IBM site on interpreting KMO measure of sampling adequacy: link
EFA using Principal axis factoring: video, .sav file, .spo (output) file (click to download), link to online parallel analysis engine, IPIP home, Link to CAT items
Running exploratory factor analysis in SPSS based on correlation matrix input: video , syntax file
Demonstration of how to use Brian O'Connor's parallel analysis syntax (parallel.sps) for SPSS: video, .sav file, link to O'Connor's webpage, syntax file download here
Another demo of Brian O'Connor's 'parallel.sps' to carry out parallel analysis: Powerpoint
Yet another demo of parallel analysis using online PA engine: video, .sav file, link to online parallel analysis engine (at https://analytics.gonzaga.edu/parallelengine/)
Older videos on PCA and PAF using SPSS (Note: These videos reference a parallel analysis engine that is no longer in operation. However, you can carry out the analysis using the engine at: link to online parallel analysis engine)
PAF video 1, PAF video 2, .sav file, Word file
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jamovi (open-source program; downloaded from https://youtu.be/lpIzKKcFddk )
PCA using jamovi (open-source program, new Oct 2019): video, .sav file (can be imported into jamovi), Powerpoint
Exploratory factor analysis (with principal axis factoring) in jamovi (new, Oct 2019): video, Powerpoint, .sav file
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Additional topics
PCA/EFA with ordinal variables using LISREL & SPSS: video, .sav file, Link to IBM examples (inputting correlation matrix)
PCA/EFA with ordinal variables using FACTOR program: video, Link to site to download FACTOR program, Powerpoint