{"action":"created","issue":{"url":"https://api.github.com/repos/berndbischl/mlr/issues/263","labels_url":"https://api.github.com/repos/berndbischl/mlr/issues/263/labels{/name}","comments_url":"https://api.github.com/repos/berndbischl/mlr/issues/263/comments","events_url":"https://api.github.com/repos/berndbischl/mlr/issues/263/events","html_url":"https://github.com/berndbischl/mlr/issues/263","id":62701931,"number":263,"title":"Travis aborts due to dependency on outdated R packages","user":{"login":"kerschke","id":5772725,"avatar_url":"https://avatars.githubusercontent.com/u/5772725?v=3","gravatar_id":"","url":"https://api.github.com/users/kerschke","html_url":"https://github.com/kerschke","followers_url":"https://api.github.com/users/kerschke/followers","following_url":"https://api.github.com/users/kerschke/following{/other_user}","gists_url":"https://api.github.com/users/kerschke/gists{/gist_id}","starred_url":"https://api.github.com/users/kerschke/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kerschke/subscriptions","organizations_url":"https://api.github.com/users/kerschke/orgs","repos_url":"https://api.github.com/users/kerschke/repos","events_url":"https://api.github.com/users/kerschke/events{/privacy}","received_events_url":"https://api.github.com/users/kerschke/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":20,"created_at":"2015-03-18T14:02:40Z","updated_at":"2015-03-23T16:23:29Z","closed_at":"2015-03-23T16:23:29Z","body":"Travis fails to build the package. As far as I understand the problem, it's caused by the fact that ```xgboost``` is not provided any more for R 3.1.3 (i.e., the most recent CRAN version).\r\nTherefore, someone should fix the code, so those \"out-dated\" packages are automatically installed (if missing) prior to the checks."},"comment":{"url":"https://api.github.com/repos/berndbischl/mlr/issues/comments/85075104","html_url":"https://github.com/berndbischl/mlr/issues/263#issuecomment-85075104","issue_url":"https://api.github.com/repos/berndbischl/mlr/issues/263","id":85075104,"user":{"login":"kerschke","id":5772725,"avatar_url":"https://avatars.githubusercontent.com/u/5772725?v=3","gravatar_id":"","url":"https://api.github.com/users/kerschke","html_url":"https://github.com/kerschke","followers_url":"https://api.github.com/users/kerschke/followers","following_url":"https://api.github.com/users/kerschke/following{/other_user}","gists_url":"https://api.github.com/users/kerschke/gists{/gist_id}","starred_url":"https://api.github.com/users/kerschke/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kerschke/subscriptions","organizations_url":"https://api.github.com/users/kerschke/orgs","repos_url":"https://api.github.com/users/kerschke/repos","events_url":"https://api.github.com/users/kerschke/events{/privacy}","received_events_url":"https://api.github.com/users/kerschke/received_events","type":"User","site_admin":false},"created_at":"2015-03-23T16:23:28Z","updated_at":"2015-03-23T16:23:28Z","body":"I think, I finally solved that issue.\r\nRecently, I was following Zachary Mayer's description on how to use Apple's version of BLAS (http://www.stat.cmu.edu/~nmv/2013/07/09/for-faster-r-use-openblas-instead-better-than-atlas-trivial-to-switch-to-on-ubuntu/#comment-86):\r\n\r\n> For reference, mac users can use Apple's version of BLAS in the accelerate framework using:\r\n> \r\n> `cd /Library/Frameworks/R.framework/Resources/lib`\r\n> \r\n> `ln -sf /System/Library/Frameworks/Accelerate.framework/Frameworks/vecLib.framework/Versions/Current/libBLAS.dylib libRblas.dylib`\r\n> \r\n> You can go back to the default BLAS using:\r\n> \r\n> `cd /Library/Frameworks/R.framework/Resources/lib`\r\n> \r\n> `ln -sf libRblas.0.dylib libRblas.dylib`\r\n\r\nHowever, apparently, this was causing my most recent errors (different predictions for the same models and predictions using logistic regression). After switching back to the default BLAS, this error vanished.. :)"}}