{"action":"created","issue":{"url":"https://api.github.com/repos/ajdamico/usgsd/issues/27","labels_url":"https://api.github.com/repos/ajdamico/usgsd/issues/27/labels{/name}","comments_url":"https://api.github.com/repos/ajdamico/usgsd/issues/27/comments","events_url":"https://api.github.com/repos/ajdamico/usgsd/issues/27/events","html_url":"https://github.com/ajdamico/usgsd/issues/27","id":74732186,"number":27,"title":"World Values Survey: using countries as strata","user":{"login":"briatte","id":322533,"avatar_url":"https://avatars.githubusercontent.com/u/322533?v=3","gravatar_id":"","url":"https://api.github.com/users/briatte","html_url":"https://github.com/briatte","followers_url":"https://api.github.com/users/briatte/followers","following_url":"https://api.github.com/users/briatte/following{/other_user}","gists_url":"https://api.github.com/users/briatte/gists{/gist_id}","starred_url":"https://api.github.com/users/briatte/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/briatte/subscriptions","organizations_url":"https://api.github.com/users/briatte/orgs","repos_url":"https://api.github.com/users/briatte/repos","events_url":"https://api.github.com/users/briatte/events{/privacy}","received_events_url":"https://api.github.com/users/briatte/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-05-09T18:39:27Z","updated_at":"2015-05-09T19:18:39Z","closed_at":"2015-05-09T19:18:39Z","body":"Quick question related to #25:\r\n\r\nSome time ago on Statalist, Stas Kolenikov [recommended](http://www.stata.com/statalist/archive/2008-10/msg01167.html) using countries as super-strata when weighting the WVS longitudinal dataset for multi-country analysis.\r\n\r\nAs far as I understand, this translates into this `survey` design:\r\n\r\n```r\r\nwvs.design = svydesign(~ 1, data = wvs.multi.country.dataset, strata = ~ S009, weights = ~ S019)\r\n```\r\n\r\nwhere `S009` designates the country variable and `S019` designates the ['N = 1500' homogenized survey weights](http://www.jdsurvey.net/jds/jdsurveyActualidad.jsp?Idioma=I&SeccionTexto=0405) that give every country in the WVS wave the same sample weight, regardless of their actual number of observations.\r\n\r\nIs that something you would recommend?"},"comment":{"url":"https://api.github.com/repos/ajdamico/usgsd/issues/comments/100533266","html_url":"https://github.com/ajdamico/usgsd/issues/27#issuecomment-100533266","issue_url":"https://api.github.com/repos/ajdamico/usgsd/issues/27","id":100533266,"user":{"login":"ajdamico","id":216807,"avatar_url":"https://avatars.githubusercontent.com/u/216807?v=3","gravatar_id":"","url":"https://api.github.com/users/ajdamico","html_url":"https://github.com/ajdamico","followers_url":"https://api.github.com/users/ajdamico/followers","following_url":"https://api.github.com/users/ajdamico/following{/other_user}","gists_url":"https://api.github.com/users/ajdamico/gists{/gist_id}","starred_url":"https://api.github.com/users/ajdamico/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ajdamico/subscriptions","organizations_url":"https://api.github.com/users/ajdamico/orgs","repos_url":"https://api.github.com/users/ajdamico/repos","events_url":"https://api.github.com/users/ajdamico/events{/privacy}","received_events_url":"https://api.github.com/users/ajdamico/received_events","type":"User","site_admin":false},"created_at":"2015-05-09T19:18:39Z","updated_at":"2015-05-09T19:18:39Z","body":"the wvs does not currently include sample cluster information (they claim they will in future releases), but at the moment the standard errors and all statistical testing is just crap.  very sloppy of them.  complaints should be sent to http://www.worldvaluessurvey.org/WVSSupport.jsp"}}