I am trying to replicate a paper that implements Factor Analysis by Principal Component Method. I have been reading a lot in Matlab but all the examples I see use MLE as an estimation method. Hence, my question is how can I change the estimation method to Principal Component Method in Factor Analysis? I just need unrotated factors at the moment to become familiar with Matlab.
Let's take this example:
[Loadings,specificVar,T,stats] = factoran(stocks,3,'rotate','none');
Is it possible to change the estimation strategy in that function?
I also found this that seems to be the only solution (at least to my limited knowledge)