{"action":"opened","issue":{"url":"https://api.github.com/repos/swirldev/swirl/issues/383","labels_url":"https://api.github.com/repos/swirldev/swirl/issues/383/labels{/name}","comments_url":"https://api.github.com/repos/swirldev/swirl/issues/383/comments","events_url":"https://api.github.com/repos/swirldev/swirl/issues/383/events","html_url":"https://github.com/swirldev/swirl/issues/383","id":125188350,"number":383,"title":"statistical inference, module: CommonDistros,","user":{"login":"tommiii","id":12712545,"avatar_url":"https://avatars.githubusercontent.com/u/12712545?v=3","gravatar_id":"","url":"https://api.github.com/users/tommiii","html_url":"https://github.com/tommiii","followers_url":"https://api.github.com/users/tommiii/followers","following_url":"https://api.github.com/users/tommiii/following{/other_user}","gists_url":"https://api.github.com/users/tommiii/gists{/gist_id}","starred_url":"https://api.github.com/users/tommiii/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tommiii/subscriptions","organizations_url":"https://api.github.com/users/tommiii/orgs","repos_url":"https://api.github.com/users/tommiii/repos","events_url":"https://api.github.com/users/tommiii/events{/privacy}","received_events_url":"https://api.github.com/users/tommiii/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-01-06T14:41:17Z","updated_at":"2016-01-06T14:41:17Z","closed_at":null,"body":"hi,\r\n\r\ni really love your project. it helps me a lot learning statistics! \r\n\r\nhowever, i cannot finish the module CommonDistros of the Statistical Inference class. it stops at about 28% progress giving me the following error:\r\n\r\nError in layer(\"area\", mapping = aes(x = ifelse(x > -1 & x < 1, x, 0)),  : \r\n  unused argument (geom_params = list(fill = \"red\", alpha = 1))\r\n\r\nThat's the content which precedes the error: \r\n| Approximately 68%, 95% and 99% of the normal density lie within 1, 2 and 3 standard deviations from the mean,\r\n| respectively. These are shown in the three shaded areas of the figure. For example, the darkest portion (between -1 and\r\n| 1) represents 68% of the area.\r\n\r\ni restarted R a couple of times and tried to continue where it stopped the first time.  did not work. how can i fix it?\r\n\r\n\r\nkind regards,\r\ntom\r\n\r\nsession_info() output:\r\n\r\nR version 3.2.3 (2015-12-10)\r\nPlatform: x86_64-w64-mingw32/x64 (64-bit)\r\nRunning under: Windows 7 x64 (build 7601) Service Pack 1\r\n\r\nlocale:\r\n[1] LC_COLLATE=German_Germany.1252  LC_CTYPE=German_Germany.1252    LC_MONETARY=German_Germany.1252\r\n[4] LC_NUMERIC=C                    LC_TIME=German_Germany.1252    \r\n\r\nattached base packages:\r\n[1] stats     graphics  grDevices utils     datasets  methods   base     \r\n\r\nother attached packages:\r\n[1] ggplot2_2.0.0 swirl_2.2.21 \r\n\r\nloaded via a namespace (and not attached):\r\n [1] Rcpp_0.12.2      digest_0.6.8     crayon_1.3.1     bitops_1.0-6     plyr_1.8.3       grid_3.2.3       R6_2.1.1        \r\n [8] gtable_0.1.2     magrittr_1.5     scales_0.3.0     httr_1.0.0       stringi_1.0-1    testthat_0.11.0  labeling_0.3    \r\n[15] tools_3.2.3      stringr_1.0.0    munsell_0.4.2    RCurl_1.95-4.7   yaml_2.1.13      colorspace_1.2-6 memoise_0.2.1  "}}