{"action":"opened","issue":{"url":"https://api.github.com/repos/HazyResearch/sampler/issues/49","repository_url":"https://api.github.com/repos/HazyResearch/sampler","labels_url":"https://api.github.com/repos/HazyResearch/sampler/issues/49/labels{/name}","comments_url":"https://api.github.com/repos/HazyResearch/sampler/issues/49/comments","events_url":"https://api.github.com/repos/HazyResearch/sampler/issues/49/events","html_url":"https://github.com/HazyResearch/sampler/issues/49","id":173099770,"number":49,"title":"learn_non_evidence flag issue","user":{"login":"thodrek","id":1043311,"avatar_url":"https://avatars.githubusercontent.com/u/1043311?v=3","gravatar_id":"","url":"https://api.github.com/users/thodrek","html_url":"https://github.com/thodrek","followers_url":"https://api.github.com/users/thodrek/followers","following_url":"https://api.github.com/users/thodrek/following{/other_user}","gists_url":"https://api.github.com/users/thodrek/gists{/gist_id}","starred_url":"https://api.github.com/users/thodrek/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/thodrek/subscriptions","organizations_url":"https://api.github.com/users/thodrek/orgs","repos_url":"https://api.github.com/users/thodrek/repos","events_url":"https://api.github.com/users/thodrek/events{/privacy}","received_events_url":"https://api.github.com/users/thodrek/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/HazyResearch/sampler/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/HazyResearch/sampler/labels/question","name":"question","color":"cc317c"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-08-25T02:19:57Z","updated_at":"2016-08-25T02:19:57Z","closed_at":null,"body":"@netj @alldefector Check lines 138 - 141 in gibbs_sampler.h  For non-evidence and non-observation variables the same proposal value is assigned to both infrs.assignments_free and infrs.assignments_evid. If no other variable in a potential that this variable touches changes (e.g., single-threaded execution) then the gradient will be zero. This means that effectively learn_non_evidence does nothing. Compare with the old dimmwitted code: two separate samples are assigned to infrs.assignments_free  and infrs.assignments_evid.\r\n"}}
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