{"action":"created","issue":{"url":"https://api.github.com/repos/jupyterhub/jupyterhub-deploy-teaching/issues/34","repository_url":"https://api.github.com/repos/jupyterhub/jupyterhub-deploy-teaching","labels_url":"https://api.github.com/repos/jupyterhub/jupyterhub-deploy-teaching/issues/34/labels{/name}","comments_url":"https://api.github.com/repos/jupyterhub/jupyterhub-deploy-teaching/issues/34/comments","events_url":"https://api.github.com/repos/jupyterhub/jupyterhub-deploy-teaching/issues/34/events","html_url":"https://github.com/jupyterhub/jupyterhub-deploy-teaching/pull/34","id":181900820,"number":34,"title":"[WIP] Change R package logic...","user":{"login":"ellisonbg","id":27600,"avatar_url":"https://avatars.githubusercontent.com/u/27600?v=3","gravatar_id":"","url":"https://api.github.com/users/ellisonbg","html_url":"https://github.com/ellisonbg","followers_url":"https://api.github.com/users/ellisonbg/followers","following_url":"https://api.github.com/users/ellisonbg/following{/other_user}","gists_url":"https://api.github.com/users/ellisonbg/gists{/gist_id}","starred_url":"https://api.github.com/users/ellisonbg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ellisonbg/subscriptions","organizations_url":"https://api.github.com/users/ellisonbg/orgs","repos_url":"https://api.github.com/users/ellisonbg/repos","events_url":"https://api.github.com/users/ellisonbg/events{/privacy}","received_events_url":"https://api.github.com/users/ellisonbg/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2016-10-09T17:57:59Z","updated_at":"2016-10-18T06:04:25Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/jupyterhub/jupyterhub-deploy-teaching/pulls/34","html_url":"https://github.com/jupyterhub/jupyterhub-deploy-teaching/pull/34","diff_url":"https://github.com/jupyterhub/jupyterhub-deploy-teaching/pull/34.diff","patch_url":"https://github.com/jupyterhub/jupyterhub-deploy-teaching/pull/34.patch"},"body":"Ran into some issues:\r\n\r\n* On some systems, the `stringi` package was not installed, but is required by `IRkernel`\r\n* Added larger set of R packages.\r\n* Modified install lines to update packages if installed already (will remove this)\r\n\r\nI will need to clean this up before we merge."},"comment":{"url":"https://api.github.com/repos/jupyterhub/jupyterhub-deploy-teaching/issues/comments/254415140","html_url":"https://github.com/jupyterhub/jupyterhub-deploy-teaching/pull/34#issuecomment-254415140","issue_url":"https://api.github.com/repos/jupyterhub/jupyterhub-deploy-teaching/issues/34","id":254415140,"user":{"login":"randy3k","id":1690993,"avatar_url":"https://avatars.githubusercontent.com/u/1690993?v=3","gravatar_id":"","url":"https://api.github.com/users/randy3k","html_url":"https://github.com/randy3k","followers_url":"https://api.github.com/users/randy3k/followers","following_url":"https://api.github.com/users/randy3k/following{/other_user}","gists_url":"https://api.github.com/users/randy3k/gists{/gist_id}","starred_url":"https://api.github.com/users/randy3k/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/randy3k/subscriptions","organizations_url":"https://api.github.com/users/randy3k/orgs","repos_url":"https://api.github.com/users/randy3k/repos","events_url":"https://api.github.com/users/randy3k/events{/privacy}","received_events_url":"https://api.github.com/users/randy3k/received_events","type":"User","site_admin":false},"created_at":"2016-10-18T06:04:25Z","updated_at":"2016-10-18T06:04:25Z","body":"The reason that I used `'{{item}}' %in% installed.packages()[,'Package']` is to avoid double installation of packages. For example, when `ggplot2` is installed, all its dependencies will be installed. And it is very likely some of the dependencies will appear later in the list. Checking if the package is installed first before installing will improve installation time significantly.\r\n"}}
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