{"action":"created","issue":{"url":"https://api.github.com/repos/scikit-learn-contrib/hdbscan/issues/215","repository_url":"https://api.github.com/repos/scikit-learn-contrib/hdbscan","labels_url":"https://api.github.com/repos/scikit-learn-contrib/hdbscan/issues/215/labels{/name}","comments_url":"https://api.github.com/repos/scikit-learn-contrib/hdbscan/issues/215/comments","events_url":"https://api.github.com/repos/scikit-learn-contrib/hdbscan/issues/215/events","html_url":"https://github.com/scikit-learn-contrib/hdbscan/issues/215","id":330433028,"node_id":"MDU6SXNzdWUzMzA0MzMwMjg=","number":215,"title":"HDBSCAN with and without TSNE(or any dimensionality reductions)","user":{"login":"djt61","id":39168785,"node_id":"MDQ6VXNlcjM5MTY4Nzg1","avatar_url":"https://avatars3.githubusercontent.com/u/39168785?v=4","gravatar_id":"","url":"https://api.github.com/users/djt61","html_url":"https://github.com/djt61","followers_url":"https://api.github.com/users/djt61/followers","following_url":"https://api.github.com/users/djt61/following{/other_user}","gists_url":"https://api.github.com/users/djt61/gists{/gist_id}","starred_url":"https://api.github.com/users/djt61/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/djt61/subscriptions","organizations_url":"https://api.github.com/users/djt61/orgs","repos_url":"https://api.github.com/users/djt61/repos","events_url":"https://api.github.com/users/djt61/events{/privacy}","received_events_url":"https://api.github.com/users/djt61/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2018-06-07T20:57:26Z","updated_at":"2018-06-08T07:57:30Z","closed_at":null,"author_association":"NONE","body":"Hello,\r\nI have been using HDBSCAN for exploratory data analysis. The data usually has between 10-20 dimensions. \r\nI tried to do clustering analysis with and without dimensionality reduction as creating plots of data is not as important as the interpreting the accuracy and hierarchy of clusters. What would be the reason to get different clustering results for raw data compared to data with TSNE projection? I am not sure which clustering result should I interpret and use moving forward.\r\nI have also tried largevis and got different clustering results.\r\n\r\nRaw Data1:\r\n![panc05_02_condensedtree](https://user-images.githubusercontent.com/39168785/41125727-4a89d804-6a73-11e8-899e-319742354880.png)\r\n\r\nTSNE Data1:\r\n![panc05_02_condensedtree_tsne](https://user-images.githubusercontent.com/39168785/41125748-5361827e-6a73-11e8-97a7-51016a80b40c.png)\r\n\r\nRaw Data2:\r\n![panc05_03_condensedtree](https://user-images.githubusercontent.com/39168785/41125886-c9b75c50-6a73-11e8-9e29-715683488404.png)\r\n\r\nTSNE Data2:\r\n![panc05_03_condensedtree_tsne](https://user-images.githubusercontent.com/39168785/41125904-d5413e38-6a73-11e8-9b3d-1fced1d65c52.png)\r\n"},"comment":{"url":"https://api.github.com/repos/scikit-learn-contrib/hdbscan/issues/comments/395681057","html_url":"https://github.com/scikit-learn-contrib/hdbscan/issues/215#issuecomment-395681057","issue_url":"https://api.github.com/repos/scikit-learn-contrib/hdbscan/issues/215","id":395681057,"node_id":"MDEyOklzc3VlQ29tbWVudDM5NTY4MTA1Nw==","user":{"login":"mtngld","id":4756911,"node_id":"MDQ6VXNlcjQ3NTY5MTE=","avatar_url":"https://avatars2.githubusercontent.com/u/4756911?v=4","gravatar_id":"","url":"https://api.github.com/users/mtngld","html_url":"https://github.com/mtngld","followers_url":"https://api.github.com/users/mtngld/followers","following_url":"https://api.github.com/users/mtngld/following{/other_user}","gists_url":"https://api.github.com/users/mtngld/gists{/gist_id}","starred_url":"https://api.github.com/users/mtngld/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mtngld/subscriptions","organizations_url":"https://api.github.com/users/mtngld/orgs","repos_url":"https://api.github.com/users/mtngld/repos","events_url":"https://api.github.com/users/mtngld/events{/privacy}","received_events_url":"https://api.github.com/users/mtngld/received_events","type":"User","site_admin":false},"created_at":"2018-06-08T07:57:30Z","updated_at":"2018-06-08T07:57:30Z","author_association":"NONE","body":"This is a great read on this topic:\r\n\r\nhttps://distill.pub/2016/misread-tsne/"}}
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