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| tSNE support? http://forum.alglib.net/viewtopic.php?f=2&t=4434 |
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| Author: | avishmidman [ Tue Feb 22, 2022 6:11 pm ] |
| Post subject: | tSNE support? |
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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| Author: | Sergey.Bochkanov [ Thu Feb 24, 2022 2:34 pm ] |
| Post subject: | Re: tSNE support? |
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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| Author: | avishmidman [ Sat Feb 26, 2022 6:25 pm ] |
| Post subject: | Re: tSNE support? |
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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