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 Post subject: tSNE support?
PostPosted: Tue Feb 22, 2022 6:11 pm 
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Joined: Tue Feb 22, 2022 5:41 pm
Posts: 3
Hello,
I am very much enjoying the speed and versatility of the Commercial Alglib library.
I'd love to see a function for tSNE. I see that there is an open item in Mantis for this (item 674), but I don't see any such function in the Alglib docs. Might you consider adding tSNE support please?


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 Post subject: Re: tSNE support?
PostPosted: Thu Feb 24, 2022 2:34 pm 
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Joined: Fri May 07, 2010 7:06 am
Posts: 874
Hi! I am glad that you liked the library :-)

I guess that you have a specific use for the t-SNE functionality, i.e. some problem that you want to solve right now. Would you like to describe your case: typical points count, "input" dimensions count, expected running time requirements?


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 Post subject: Re: tSNE support?
PostPosted: Sat Feb 26, 2022 6:25 pm 
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Joined: Tue Feb 22, 2022 5:41 pm
Posts: 3
Hi, thanks for your response.
I am using t-SNE to visualize sets of contextualized word embeddings generated by BERT encoders. The datasets each contain approximately 100,000 vectors, of 768 dimensions each; I am using t-SNE to reduce the the datasets to 2 dimensions to enable visualization of the data, to see the clusters and outliers therein.
Regarding running time requirements: I'm hoping for a solution which can generate the t-SNE result for a given dataset within a minute or so, or at most within 5-10 minutes, given 30 parallel threads.


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