{"action":"created","issue":{"url":"https://api.github.com/repos/root-project/root/issues/2813","repository_url":"https://api.github.com/repos/root-project/root","labels_url":"https://api.github.com/repos/root-project/root/issues/2813/labels{/name}","comments_url":"https://api.github.com/repos/root-project/root/issues/2813/comments","events_url":"https://api.github.com/repos/root-project/root/issues/2813/events","html_url":"https://github.com/root-project/root/pull/2813","id":371033199,"node_id":"MDExOlB1bGxSZXF1ZXN0MjIzNTcxNzE1","number":2813,"title":"[WIP][RDF] Dataframe tutorial reconstructing Higgs from four leptons with CMS OpenData","user":{"login":"stwunsch","id":6951222,"node_id":"MDQ6VXNlcjY5NTEyMjI=","avatar_url":"https://avatars1.githubusercontent.com/u/6951222?v=4","gravatar_id":"","url":"https://api.github.com/users/stwunsch","html_url":"https://github.com/stwunsch","followers_url":"https://api.github.com/users/stwunsch/followers","following_url":"https://api.github.com/users/stwunsch/following{/other_user}","gists_url":"https://api.github.com/users/stwunsch/gists{/gist_id}","starred_url":"https://api.github.com/users/stwunsch/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/stwunsch/subscriptions","organizations_url":"https://api.github.com/users/stwunsch/orgs","repos_url":"https://api.github.com/users/stwunsch/repos","events_url":"https://api.github.com/users/stwunsch/events{/privacy}","received_events_url":"https://api.github.com/users/stwunsch/received_events","type":"User","site_admin":false},"labels":[{"id":651913541,"node_id":"MDU6TGFiZWw2NTE5MTM1NDE=","url":"https://api.github.com/repos/root-project/root/labels/do%20not%20merge","name":"do not merge","color":"b60205","default":false},{"id":933669411,"node_id":"MDU6TGFiZWw5MzM2Njk0MTE=","url":"https://api.github.com/repos/root-project/root/labels/do%20not%20review%20yet","name":"do not review yet","color":"000000","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2018-10-17T11:48:57Z","updated_at":"2018-10-17T14:05:27Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/root-project/root/pulls/2813","html_url":"https://github.com/root-project/root/pull/2813","diff_url":"https://github.com/root-project/root/pull/2813.diff","patch_url":"https://github.com/root-project/root/pull/2813.patch"},"body":"This tutorial illustrates an analysis of CMS data from 2012 reconstructing the Higgs at 125 GeV in the decay channel to four leptons.\r\nThe files are hosted on `eospublic.cern.ch//eos/root-eos/cms_opendata_2012_nanoaod` as NanoAOD-like files converted from AOD published on opendata.cern.ch. Processing the files (about 13GB) takes around 6 minutes on my laptop from the CERN network.\r\n\r\nThe tutorial produces plots of the four leptons mass spectrum from 70 GeV to 180 GeV for all combinations of lepton pairs and a combined result. The combined plot is shown below.\r\n\r\n![higgs_4l](https://user-images.githubusercontent.com/6951222/47084099-dd5e7700-d212-11e8-9f06-bd41f6ca4740.png)\r\n\r\nYou can compare the result to the official plot created with ~5 fb^-1 of 2011 and ~5 fb^-1 from 2012 data (this tutorial takes 11.6 fb^-1 from 2012):\r\n\r\n![official plot](https://inspirehep.net/record/1124338/files/H4l_mass_v3.png)"},"comment":{"url":"https://api.github.com/repos/root-project/root/issues/comments/430642104","html_url":"https://github.com/root-project/root/pull/2813#issuecomment-430642104","issue_url":"https://api.github.com/repos/root-project/root/issues/2813","id":430642104,"node_id":"MDEyOklzc3VlQ29tbWVudDQzMDY0MjEwNA==","user":{"login":"phsft-bot","id":25639015,"node_id":"MDQ6VXNlcjI1NjM5MDE1","avatar_url":"https://avatars1.githubusercontent.com/u/25639015?v=4","gravatar_id":"","url":"https://api.github.com/users/phsft-bot","html_url":"https://github.com/phsft-bot","followers_url":"https://api.github.com/users/phsft-bot/followers","following_url":"https://api.github.com/users/phsft-bot/following{/other_user}","gists_url":"https://api.github.com/users/phsft-bot/gists{/gist_id}","starred_url":"https://api.github.com/users/phsft-bot/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/phsft-bot/subscriptions","organizations_url":"https://api.github.com/users/phsft-bot/orgs","repos_url":"https://api.github.com/users/phsft-bot/repos","events_url":"https://api.github.com/users/phsft-bot/events{/privacy}","received_events_url":"https://api.github.com/users/phsft-bot/received_events","type":"User","site_admin":false},"created_at":"2018-10-17T14:05:27Z","updated_at":"2018-10-17T14:05:27Z","author_association":"COLLABORATOR","body":"Starting build on `slc6`/`gcc48`, `slc6-i686`/`gcc49`, `centos7`/`clang39`, `centos7`/`gcc62`, `centos7`/`gcc7`, `fedora28`/`native`, `ubuntu16`/`native`, `mac1013`/`native`, `windows10`/`vc15` with flags `-Dccache=ON`\n[How to customize builds](https://github.com/phsft-bot/build-configuration/blob/master/README.md)"}}
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