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When you get EFA result a<-psych::fa(),you can find 2 similar parameters:a$communality and a$communalities,they are slightly different.
What's the difference between them?

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  • $\begingroup$ Did you look at rdocumentation.org/packages/psych/versions/1.7.5/topics/fa ? $\endgroup$
    – amoeba
    Commented Aug 5, 2017 at 7:44
  • $\begingroup$ yes but don't understand communalities $\endgroup$
    – Chris Kelly
    Commented Aug 5, 2017 at 8:05
  • $\begingroup$ Are you using fm="minrank"? If so, why? $\endgroup$
    – amoeba
    Commented Aug 5, 2017 at 8:14
  • $\begingroup$ when you use fm='minres',you still get a$communalities. $\endgroup$
    – Chris Kelly
    Commented Aug 5, 2017 at 8:20

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