For what it&#x27;s worth, one the algorithms they compare against, t-SNE, is open source: <a href="https:&#x2F;&#x2F;lvdmaaten.github.io&#x2F;tsne&#x2F;" rel="nofollow">https:&#x2F;&#x2F;lvdmaaten.github.io&#x2F;tsne&#x2F;</a>