{"action":"created","issue":{"url":"https://api.github.com/repos/swirldev/swirl_courses/issues/151","labels_url":"https://api.github.com/repos/swirldev/swirl_courses/issues/151/labels{/name}","comments_url":"https://api.github.com/repos/swirldev/swirl_courses/issues/151/comments","events_url":"https://api.github.com/repos/swirldev/swirl_courses/issues/151/events","html_url":"https://github.com/swirldev/swirl_courses/issues/151","id":65361085,"number":151,"title":"Error message in Exploratory Data Analysis/Clustering courses","user":{"login":"sesean","id":11339863,"avatar_url":"https://avatars.githubusercontent.com/u/11339863?v=3","gravatar_id":"","url":"https://api.github.com/users/sesean","html_url":"https://github.com/sesean","followers_url":"https://api.github.com/users/sesean/followers","following_url":"https://api.github.com/users/sesean/following{/other_user}","gists_url":"https://api.github.com/users/sesean/gists{/gist_id}","starred_url":"https://api.github.com/users/sesean/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/sesean/subscriptions","organizations_url":"https://api.github.com/users/sesean/orgs","repos_url":"https://api.github.com/users/sesean/repos","events_url":"https://api.github.com/users/sesean/events{/privacy}","received_events_url":"https://api.github.com/users/sesean/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-03-31T04:14:05Z","updated_at":"2015-03-31T12:10:10Z","closed_at":null,"body":"Hello,\r\n\r\nI am very new to R and github, and these courses have been a godsend. Thank You!\r\n\r\nI downloaded the three different Clustering courses and I keep receiving this message when I try to open any of the lessons:\r\n\r\nError in file(con, \"r\") : invalid 'description' argument\r\n\r\n| Leaving swirl now. Type swirl() to resume.\r\n\r\nI looked through past comments on this error message, uninstalled the course, and then reinstalled but that did not work. \r\n\r\nAny advice? Do you need more information? Any help will be appreciated. "},"comment":{"url":"https://api.github.com/repos/swirldev/swirl_courses/issues/comments/88063183","html_url":"https://github.com/swirldev/swirl_courses/issues/151#issuecomment-88063183","issue_url":"https://api.github.com/repos/swirldev/swirl_courses/issues/151","id":88063183,"user":{"login":"WilCrofter","id":2634813,"avatar_url":"https://avatars.githubusercontent.com/u/2634813?v=3","gravatar_id":"","url":"https://api.github.com/users/WilCrofter","html_url":"https://github.com/WilCrofter","followers_url":"https://api.github.com/users/WilCrofter/followers","following_url":"https://api.github.com/users/WilCrofter/following{/other_user}","gists_url":"https://api.github.com/users/WilCrofter/gists{/gist_id}","starred_url":"https://api.github.com/users/WilCrofter/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/WilCrofter/subscriptions","organizations_url":"https://api.github.com/users/WilCrofter/orgs","repos_url":"https://api.github.com/users/WilCrofter/repos","events_url":"https://api.github.com/users/WilCrofter/events{/privacy}","received_events_url":"https://api.github.com/users/WilCrofter/received_events","type":"User","site_admin":false},"created_at":"2015-03-31T12:10:10Z","updated_at":"2015-03-31T12:10:10Z","body":"The error message says a file can't be opened for reading. This suggests an improper installation. Try reinstalling the course. (For more detail see [the docs](http://swirlstats.com/students.html)).\r\n\r\n```\r\nlibrary(swirl)\r\ninstall_from_swirl(\"Exploratory Data Analysis\")\r\n| Course installed successfully!\r\n```\r\nNow start swirl, choose Exploratory Data Analysis from the course menu and a clustering lesson from the lesson menu.\r\n```\r\nswirl()\r\n\r\n| Welcome to swirl!\r\n\r\n| Please sign in. If you've been here before, use the same name as you did then. If you are new, call yourself something unique.\r\n\r\nWhat shall I call you? w\r\n\r\n1: Exploratory Data Analysis\r\n2: R Programming\r\n3: Take me to the swirl course repository!\r\n\r\nSelection: 1\r\n\r\n| Please choose a lesson, or type 0 to return to course menu.\r\n\r\n 1: Principles of Analytic Graphs   2: Exploratory Graphs              3: Graphics Devices in R           4: Plotting Systems                5: Base Plotting System         \r\n 6: Lattice Plotting System         7: Working with Colors             8: GGPlot2 Part1                   9: GGPlot2 Part2                  10: GGPlot2 Extras               \r\n11: Hierarchical Clustering        12: K Means Clustering             13: Dimension Reduction            14: Clustering Example             15: CaseStudy                  \r\n\r\nSelection: 11\r\n\r\n| Attemping to load lesson dependencies...\r\n\r\n| Package ‘ggplot2’ loaded correctly!\r\n\r\n| Package ‘fields’ loaded correctly!\r\n\r\n| Package ‘jpeg’ loaded correctly!\r\n\r\n| Package ‘datasets’ loaded correctly!\r\n\r\n  |                                                                         |   0%\r\n\r\n| Hierarchical_Clustering. (Slides for this and other Data Science courses may be\r\n| found at github https://github.com/DataScienceSpecialization/courses/. If you\r\n| care to use them, they must be downloaded as a zip file and viewed locally. This\r\n| lesson corresponds to 04_ExploratoryAnalysis/hierarchicalClustering.)\r\n```"}}