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What kind of LDA performs 'fitcdiscr' function?

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Víctor Martínez-Cagigal
Víctor Martínez-Cagigal on 19 Dec 2016
Commented: Ahsan on 28 Mar 2017
Hi all,
I know that the new 'fitcdiscr' MATLAB® function (https://es.mathworks.com/help/stats/fitcdiscr.html) can perform several discriminant analysis, such as LDA or QDA. However, the mentions about 'regularization' and 'bayesian' inside the MATLAB® help confuse me.
What kind of discriminant analysis is performed if 'fitcdiscr' uses the default parameters? Do it use Bayesian Linear Disciminant Analysis (BLDA), Fisher's LDA (FLDA), or some kind of Regularized LDA (rLDA)?
Thanks in advance, Víctor.

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Ahsan
Ahsan on 28 Mar 2017
By default, it does 'Linear' LDA and description of 'Linear' tells that its is some kind of Regularized LDA (rLDA). See screenshot of MATLAB documentation

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