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Variance accounted for in EFA
Exploratory Factor Analysis
posted on Wednesday, September 16, 2009 - 11:23 pm
Is it possible to find the "total variance accounted for" when running an EFA with a dichotomous data set?
Linda K. Muthen
posted on Thursday, September 17, 2009 - 2:34 pm
If the rotation is orthogonal, you can sum the squared factor loadings in a column and divide by the number of factor indicators. This will be in a latent response variable metric.
Note that the goal of factor analysis is not to explain variance like principal component analysis but to reproduce sample correlations.
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