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List:       wekalist
Subject:    [Wekalist] Re: Principal Components
From:       Mark Hall <mhall () cs ! waikato ! ac ! nz>
Date:       2005-11-29 20:44:15
Message-ID: a96c12e50511291244qb99d39eyfd042d7aa629f5eb () mail ! gmail ! com
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Hi Ricardo,

Weka's implementation of principal components does a varimax rotation
where each consecutive factor maximizes the variability that is not
captured by the preceding factor. This means that consecutive factors
are uncorrelated and orthogonal to each other.

Cheers,
Mark.

On 11/30/05, Ricardo Farfán <rijofa@gmail.com> wrote:
>
> Hello,
>
> I need to know what factor rotation method are implemented in the principal
> components technique.
>
> Please help me, I really need that information
>
> Bye
>
>
>


--
Mark Hall
Department of Computer Science
University of Waikato
Hamilton
New Zealand
www.cs.waikato.ac.nz

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