[R] R: Dimensional reduction package

2010-02-14 Thread mauede
Kernel PCA are other methods that are used with non-linear data. Maura -Messaggio originale- Da: Michael Denslow [mailto:michael.dens...@gmail.com] Inviato: dom 14/02/2010 23.46 A: mau...@alice.it Cc: r-h...@stat.math.ethz.ch Oggetto: Re: [R] Dimensional reduction package Hi Maura, >

Re: [R] Dimensional reduction package

2010-02-14 Thread Michael Denslow
Hi Maura, > Is there any R package which implements non-linear dimensionality reduction > (LLE, ISOMAP, GTM, and so on)  and/or intrinsic dimensionality estimation ? I am not exactly sure what is meant by non-linear dimensionality reduction but there is an isomap function in vegan. This is the i

[R] Dimensional reduction package

2010-02-13 Thread mauede
Is there any R package which implements non-linear dimensionality reduction (LLE, ISOMAP, GTM, and so on) and/or intrinsic dimensionality estimation ? Thank you, Maura tutti i telefonini TIM! [[alternative HTML version deleted]] __ R-help@r