{"action":"created","issue":{"url":"https://api.github.com/repos/tyjo/dystruct/issues/4","repository_url":"https://api.github.com/repos/tyjo/dystruct","labels_url":"https://api.github.com/repos/tyjo/dystruct/issues/4/labels{/name}","comments_url":"https://api.github.com/repos/tyjo/dystruct/issues/4/comments","events_url":"https://api.github.com/repos/tyjo/dystruct/issues/4/events","html_url":"https://github.com/tyjo/dystruct/issues/4","id":299380178,"number":4,"title":"Supervised results are similar to unsupervised ","user":{"login":"geneanalyst","id":29151902,"avatar_url":"https://avatars2.githubusercontent.com/u/29151902?v=4","gravatar_id":"","url":"https://api.github.com/users/geneanalyst","html_url":"https://github.com/geneanalyst","followers_url":"https://api.github.com/users/geneanalyst/followers","following_url":"https://api.github.com/users/geneanalyst/following{/other_user}","gists_url":"https://api.github.com/users/geneanalyst/gists{/gist_id}","starred_url":"https://api.github.com/users/geneanalyst/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/geneanalyst/subscriptions","organizations_url":"https://api.github.com/users/geneanalyst/orgs","repos_url":"https://api.github.com/users/geneanalyst/repos","events_url":"https://api.github.com/users/geneanalyst/events{/privacy}","received_events_url":"https://api.github.com/users/geneanalyst/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":5,"created_at":"2018-02-22T14:45:25Z","updated_at":"2018-02-26T15:20:47Z","closed_at":"2018-02-26T15:20:47Z","author_association":"NONE","body":"In a test run with K=6 and 117K SNPs with a genotype rate of 100% using 6 ancient populations represented by 1 to 3 samples per ancient population and 3 modern samples the results were as follows:\r\n\r\nUnsupervised- none 0 scores in only 3 columns (not 6 as would be expected for K=6)\r\nSupervised using a text file containing 1 alpha numeric per row to represent samples declared reference and -1 for 3 modern samples to be determined. For example this is is what the abbreviated labels file looked like and invoking —labels\r\n\r\nEHG\r\nEHG\r\nENF\r\nENF\r\nENF\r\nWHG\r\n-1\r\n-1\r\n\r\nResults were identical with unsupervised \r\n\r\n"},"comment":{"url":"https://api.github.com/repos/tyjo/dystruct/issues/comments/368537606","html_url":"https://github.com/tyjo/dystruct/issues/4#issuecomment-368537606","issue_url":"https://api.github.com/repos/tyjo/dystruct/issues/4","id":368537606,"user":{"login":"tyjo","id":7786000,"avatar_url":"https://avatars2.githubusercontent.com/u/7786000?v=4","gravatar_id":"","url":"https://api.github.com/users/tyjo","html_url":"https://github.com/tyjo","followers_url":"https://api.github.com/users/tyjo/followers","following_url":"https://api.github.com/users/tyjo/following{/other_user}","gists_url":"https://api.github.com/users/tyjo/gists{/gist_id}","starred_url":"https://api.github.com/users/tyjo/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tyjo/subscriptions","organizations_url":"https://api.github.com/users/tyjo/orgs","repos_url":"https://api.github.com/users/tyjo/repos","events_url":"https://api.github.com/users/tyjo/events{/privacy}","received_events_url":"https://api.github.com/users/tyjo/received_events","type":"User","site_admin":false},"created_at":"2018-02-26T15:20:47Z","updated_at":"2018-02-26T15:20:47Z","author_association":"OWNER","body":"Geneanalyst, benchmarking parallel programs is tricky because a linear increase in the number of threads does not necessarily correspond to a linear increase in runtime.\r\n\r\nIf each iteration is already fast the overhead for running code in parallel can outweigh the benefits. Additionally, since some sections of the code a parallelized by population, you won't see much of an improvement if the number of threads is greater than the number of populations.\r\n"}}
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