{"action":"opened","issue":{"url":"https://api.github.com/repos/ElucidataInc/ElMaven/issues/830","repository_url":"https://api.github.com/repos/ElucidataInc/ElMaven","labels_url":"https://api.github.com/repos/ElucidataInc/ElMaven/issues/830/labels{/name}","comments_url":"https://api.github.com/repos/ElucidataInc/ElMaven/issues/830/comments","events_url":"https://api.github.com/repos/ElucidataInc/ElMaven/issues/830/events","html_url":"https://github.com/ElucidataInc/ElMaven/issues/830","id":347640591,"node_id":"MDU6SXNzdWUzNDc2NDA1OTE=","number":830,"title":"Peaks at a RT diff of 0.7 mins being included in grouping of the parent","user":{"login":"shefalilathwal","id":27472328,"node_id":"MDQ6VXNlcjI3NDcyMzI4","avatar_url":"https://avatars1.githubusercontent.com/u/27472328?v=4","gravatar_id":"","url":"https://api.github.com/users/shefalilathwal","html_url":"https://github.com/shefalilathwal","followers_url":"https://api.github.com/users/shefalilathwal/followers","following_url":"https://api.github.com/users/shefalilathwal/following{/other_user}","gists_url":"https://api.github.com/users/shefalilathwal/gists{/gist_id}","starred_url":"https://api.github.com/users/shefalilathwal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/shefalilathwal/subscriptions","organizations_url":"https://api.github.com/users/shefalilathwal/orgs","repos_url":"https://api.github.com/users/shefalilathwal/repos","events_url":"https://api.github.com/users/shefalilathwal/events{/privacy}","received_events_url":"https://api.github.com/users/shefalilathwal/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-08-04T18:54:27Z","updated_at":"2018-08-04T18:54:27Z","closed_at":null,"author_association":"COLLABORATOR","body":"I am picking peaks for a particular metabolite in LC-MS data. The particular EIC that I am looking at has a very clear peak group around 12.7 mins. For some of the samples, the parent peaks being included in the group are at a much farther RT than in the group (see the green dots at an RT of 13.4), even though there are peaks present for these samples at an RT of 12.7 mins. Why is this happening? Can I change my peak grouping parameters in some way to deal with it. I am able to process the data by either providing the reference RT for the compound or doing the peak picking for these groups separately.\r\n![incorrect_parent_peak_being_picked_by_maven_during_grouping](https://user-images.githubusercontent.com/27472328/43679633-e1e04724-9845-11e8-9c24-c875bfea5a40.png)\r\n![peak_picking_with_only_nitd_samples_selected](https://user-images.githubusercontent.com/27472328/43679634-e470029a-9845-11e8-98db-e848ab60e128.png)\r\n"}}
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