{"action":"opened","issue":{"url":"https://api.github.com/repos/llSourcell/tensorflow_chatbot/issues/18","repository_url":"https://api.github.com/repos/llSourcell/tensorflow_chatbot","labels_url":"https://api.github.com/repos/llSourcell/tensorflow_chatbot/issues/18/labels{/name}","comments_url":"https://api.github.com/repos/llSourcell/tensorflow_chatbot/issues/18/comments","events_url":"https://api.github.com/repos/llSourcell/tensorflow_chatbot/issues/18/events","html_url":"https://github.com/llSourcell/tensorflow_chatbot/issues/18","id":197606541,"number":18,"title":"Bucket perplexity increasing : why ?","user":{"login":"HazeHub","id":20208336,"avatar_url":"https://avatars.githubusercontent.com/u/20208336?v=3","gravatar_id":"","url":"https://api.github.com/users/HazeHub","html_url":"https://github.com/HazeHub","followers_url":"https://api.github.com/users/HazeHub/followers","following_url":"https://api.github.com/users/HazeHub/following{/other_user}","gists_url":"https://api.github.com/users/HazeHub/gists{/gist_id}","starred_url":"https://api.github.com/users/HazeHub/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/HazeHub/subscriptions","organizations_url":"https://api.github.com/users/HazeHub/orgs","repos_url":"https://api.github.com/users/HazeHub/repos","events_url":"https://api.github.com/users/HazeHub/events{/privacy}","received_events_url":"https://api.github.com/users/HazeHub/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-12-26T17:22:57Z","updated_at":"2016-12-26T17:22:57Z","closed_at":null,"body":"Hi, I finally managed to have a workable chatbot in Python 3. It isn't trained enough for the moment but gives quite interesting answers. \r\nWhat bothers me is that while overall perplexity decreases as it should (for 300 to 8.90 approximately), the bucket perplexity increase at each step with a perplexity of approximately 2000 while it was almost below 100 at start.\r\nI just wanted to know how a seq2seq model can see it's bucket perplexity increase ? What causes it and why does the chatbot seems to improve despite this issue ?"}}
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