{"action":"created","issue":{"url":"https://api.github.com/repos/pymc-devs/pymc3/issues/864","labels_url":"https://api.github.com/repos/pymc-devs/pymc3/issues/864/labels{/name}","comments_url":"https://api.github.com/repos/pymc-devs/pymc3/issues/864/comments","events_url":"https://api.github.com/repos/pymc-devs/pymc3/issues/864/events","html_url":"https://github.com/pymc-devs/pymc3/issues/864","id":114582159,"number":864,"title":"Lognormal could be more general","user":{"login":"dan-tee","id":5971952,"avatar_url":"https://avatars.githubusercontent.com/u/5971952?v=3","gravatar_id":"","url":"https://api.github.com/users/dan-tee","html_url":"https://github.com/dan-tee","followers_url":"https://api.github.com/users/dan-tee/followers","following_url":"https://api.github.com/users/dan-tee/following{/other_user}","gists_url":"https://api.github.com/users/dan-tee/gists{/gist_id}","starred_url":"https://api.github.com/users/dan-tee/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dan-tee/subscriptions","organizations_url":"https://api.github.com/users/dan-tee/orgs","repos_url":"https://api.github.com/users/dan-tee/repos","events_url":"https://api.github.com/users/dan-tee/events{/privacy}","received_events_url":"https://api.github.com/users/dan-tee/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":9,"created_at":"2015-11-02T12:10:19Z","updated_at":"2015-11-04T14:26:54Z","closed_at":null,"body":"In [http://docs.scipy.org/doc/scipy-0.16.0/reference/generated/scipy.stats.lognorm.html](SciPy) the LogNormal takes 3 parameters, loc, scale and s.\r\n\r\nIn pymc3 it only takes mu and tau, which are transformations of loc and s.\r\n\r\nWould you like a pull request introducing the other parameter? What should it be called? scale or alpha?"},"comment":{"url":"https://api.github.com/repos/pymc-devs/pymc3/issues/comments/153741154","html_url":"https://github.com/pymc-devs/pymc3/issues/864#issuecomment-153741154","issue_url":"https://api.github.com/repos/pymc-devs/pymc3/issues/864","id":153741154,"user":{"login":"twiecki","id":674200,"avatar_url":"https://avatars.githubusercontent.com/u/674200?v=3","gravatar_id":"","url":"https://api.github.com/users/twiecki","html_url":"https://github.com/twiecki","followers_url":"https://api.github.com/users/twiecki/followers","following_url":"https://api.github.com/users/twiecki/following{/other_user}","gists_url":"https://api.github.com/users/twiecki/gists{/gist_id}","starred_url":"https://api.github.com/users/twiecki/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/twiecki/subscriptions","organizations_url":"https://api.github.com/users/twiecki/orgs","repos_url":"https://api.github.com/users/twiecki/repos","events_url":"https://api.github.com/users/twiecki/events{/privacy}","received_events_url":"https://api.github.com/users/twiecki/received_events","type":"User","site_admin":false},"created_at":"2015-11-04T14:26:54Z","updated_at":"2015-11-04T14:26:54Z","body":"Yeah, I'm in favor in supporting alternative parameterizations. This works out quite well for `sd` but also the `Beta` distribution which can be specified by loc and scale (which we support). Makes for much more readable models."}}