{"action":"opened","issue":{"url":"https://api.github.com/repos/USGS-R/geoknife/issues/210","labels_url":"https://api.github.com/repos/USGS-R/geoknife/issues/210/labels{/name}","comments_url":"https://api.github.com/repos/USGS-R/geoknife/issues/210/comments","events_url":"https://api.github.com/repos/USGS-R/geoknife/issues/210/events","html_url":"https://github.com/USGS-R/geoknife/issues/210","id":113025781,"number":210,"title":"can't set values(webgeom) to NA","user":{"login":"jread-usgs","id":2349007,"avatar_url":"https://avatars.githubusercontent.com/u/2349007?v=3","gravatar_id":"","url":"https://api.github.com/users/jread-usgs","html_url":"https://github.com/jread-usgs","followers_url":"https://api.github.com/users/jread-usgs/followers","following_url":"https://api.github.com/users/jread-usgs/following{/other_user}","gists_url":"https://api.github.com/users/jread-usgs/gists{/gist_id}","starred_url":"https://api.github.com/users/jread-usgs/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jread-usgs/subscriptions","organizations_url":"https://api.github.com/users/jread-usgs/orgs","repos_url":"https://api.github.com/users/jread-usgs/repos","events_url":"https://api.github.com/users/jread-usgs/events{/privacy}","received_events_url":"https://api.github.com/users/jread-usgs/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-10-23T14:04:35Z","updated_at":"2015-10-23T14:04:35Z","closed_at":null,"body":"```R\r\nvalues(stencil) <- NA\r\nError in checkAtAssignment(\"webgeom\", \"values\", \"logical\") : \r\n  assignment of an object of class “logical” is not valid for @‘values’ in an object of class “webgeom”; is(value, \"character\") is not TRUE\r\n```\r\nhave to do:\r\n```R\r\nvalues(stencil) <- as.character(NA)\r\n```"}}