Apple Valley
@valleyapple.bsky.social
Cognitive scientist & translation researcher • social cognition • directionality • research methodology • stats • open science
Reposted by Apple Valley
Factor analysis and varimax have been widely misunderstood among statisticians. Two years ago, Muzhe Zeng and I had a discussion paper at JRSS-B that tried to clarify why factor analysis and varimax were actually decades ahead of their time
It’s free (with discussion) here:
doi.org/10.1093/jrss...
It’s free (with discussion) here:
doi.org/10.1093/jrss...
Vintage factor analysis with Varimax performs statistical inference
Abstract. In the 1930s, Psychologists began developing Multiple-Factor Analysis to decompose multivariate data into a small number of interpretable factors
doi.org
November 20, 2025 at 6:28 PM
Factor analysis and varimax have been widely misunderstood among statisticians. Two years ago, Muzhe Zeng and I had a discussion paper at JRSS-B that tried to clarify why factor analysis and varimax were actually decades ahead of their time
It’s free (with discussion) here:
doi.org/10.1093/jrss...
It’s free (with discussion) here:
doi.org/10.1093/jrss...
Reposted by Apple Valley
If Trump's plan does not wake up European states to the reality that the US under his leadership is an existential threat to freedom on the continent--nothing will.
November 21, 2025 at 3:01 AM
If Trump's plan does not wake up European states to the reality that the US under his leadership is an existential threat to freedom on the continent--nothing will.