[R] Issues with fa() function in "psych"

[Gunter Nickel]

Hi Sagnik,


sagnik chakravarty wrote
>    - Request you to add option for *"equamax" rotation* also if possible.

As GPApackage doesn't provide an explicit function termed "Equamax" you may
want to use Crawford-Ferguson rotation from the GPApackage ( "cfT"). With
the additional argument kappa=m*/(2*p), where m is the number of factors and
p the number of variables/items, you'll be able to achieve a Equamax
rotation. On the equivalence of orthogonal CF with Orthomax family please
refer to Browne, 2001, An overview fo Analytic Rotation in Exploratory
Factor Analysis, Multivariate Behavioural Research, 36 (1), 111-150

Cheers,
Gunter





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