EFA vs PCA : Principal components or factor analysis?
For PCA, you choose a PCA estimator. For EFA, you choose the maximum likelyhood estimator.
The link below has a good walk though and explainer .... 作者：M Alavi · 2020 · 被引用次数：139 — Although both EFA and PCA are similar, they have different applications and interpretation. EFA is used to understand the underlying factors .... This seminar will give a practical overview of both principal components analysis (PCA) and exploratory factor analysis (EFA) using SPSS..
PCA and EFA have different goals: PCA is a technique for reducing the dimensionality of one's data, whereas EFA is a technique for identifying .... Although Henson and Roberts noted that most of the articles reported researcher objectives that warranted an EFA design, nearly 57% of the researchers engaged ....
