Message-ID: <CAKFxdiTcuWnKa5VmjpMX9a1OUQFCXdw7XMM2ogHzgHbWE05CyQ@mail.gmail.com>
Date: 2012-07-25T14:59:17Z
From: Kevin Wright
Subject: Obtain residuals from a Principal Component Analysis
In-Reply-To: <1343210547728-4637754.post@n4.nabble.com>
Just use 'predict' on the fitted model and subtract the predicted
values from the data.
Kevin Wright
On Wed, Jul 25, 2012 at 5:02 AM, petohtalrayn <h643306 at rtrtr.com> wrote:
> Hi everyone,
>
> I am relatively new to R, and I need to perform the principal components
> analysis of a data matrix. I know that there are a bunch of methods to do it
> (dudi.pca, princomp, prcomp...) but I have not managed to find a method that
> can return the residuals obtained by retaining X principal components of the
> original data, as this MATLAB function can do: http://is.gd/6WeUFF
>
> Suggestions? Please, help me to find a way to do it, any information you can
> give will be highly appreciated.
>
> Thanks in advance!
>
>
>
> --
> View this message in context: http://r.789695.n4.nabble.com/Obtain-residuals-from-a-Principal-Component-Analysis-tp4637754.html
> Sent from the R help mailing list archive at Nabble.com.
>
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--
Kevin Wright