Discussion of "Vintage factor analysis with Varimax performs statistical inference"
Rungang Han, Anru R. Zhang
TL;DR
This paper discusses the conditions under which Varimax rotation in vintage factor analysis reliably recovers the underlying subspace, contributing to the understanding of its statistical inference properties.
Contribution
It provides theoretical conditions ensuring the consistent recovery of subspace rotation by Varimax in vintage factor analysis.
Findings
Identifies conditions for Varimax consistency
Clarifies statistical inference in vintage factor analysis
Enhances understanding of factor rotation reliability
Abstract
We wholeheartedly congratulate Drs. Rohe and Zeng for their insightful paper \cite{rohe2020vintage} on vintage factor analysis with Varimax rotation. This note discusses the conditions to guarantee Varimax consistently recovers the subspace rotation.
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Taxonomy
TopicsStatistical and numerical algorithms · Spectroscopy and Chemometric Analyses