I am running GTM on the same datda space points but changing the number of
latent space points, the number of basis functions and parameter sigma.
I found a combination of such parameters that works fine.
On the other hand on page 7 of the paper The Generative Topographic Mapping
by Swensen,
Thank you. I figured that out myself last night. I always forget that
read.table does not actually read data into a matrix.
GTM MatLab toolbox comes with a nice guide to use the package which may as
well become an R vignette.
Anyway, I got the singular matrix warnings myself and do not know
I tried to use R version of package
I noticed the original MatLab Pckage is much better documented.
I had a look at the R demo code gtm_demo and found that variable Y is used in
advanced of being created:
I wrote my own few lines as follows:
inDir - C:/Documents and Settings/Monville/Alanine
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