1 HN user recommended this talk1 month2013–2019score 1
Years with an HN recommendation, 2007–2026
HN people point to it as the canonical explanation from the method's author whenever t-SNE comes up.
A Google Tech Talk by Laurens van der Maaten, co-creator of t-SNE, on visualizing high-dimensional data by mapping it to two dimensions. It explains how the technique works and how it compares with other visualization approaches.
“there's a really interesting Google techtalk on how it works” (HN, 2013)
Barnes-Hut uses a quadtree, doesn't it? I don't know whether the code was adapted to use an octree in 3D instead; maybe it was? FWIW there's a really interesting Google techtalk on how it works: [this video]
Use non spatial dimensions as well, like color, size, and shape. You can also use clever projections like t-sne to reduce the number of dimensions while retaining some of the structure of the data ( [this video] )
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