{"action":"created","issue":{"url":"https://api.github.com/repos/vbonhomme/Momocs/issues/89","labels_url":"https://api.github.com/repos/vbonhomme/Momocs/issues/89/labels{/name}","comments_url":"https://api.github.com/repos/vbonhomme/Momocs/issues/89/comments","events_url":"https://api.github.com/repos/vbonhomme/Momocs/issues/89/events","html_url":"https://github.com/vbonhomme/Momocs/issues/89","id":94768768,"number":89,"title":"Alignment based on first harmonic","user":{"login":"TJ-Stammer","id":12954899,"avatar_url":"https://avatars.githubusercontent.com/u/12954899?v=3","gravatar_id":"","url":"https://api.github.com/users/TJ-Stammer","html_url":"https://github.com/TJ-Stammer","followers_url":"https://api.github.com/users/TJ-Stammer/followers","following_url":"https://api.github.com/users/TJ-Stammer/following{/other_user}","gists_url":"https://api.github.com/users/TJ-Stammer/gists{/gist_id}","starred_url":"https://api.github.com/users/TJ-Stammer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/TJ-Stammer/subscriptions","organizations_url":"https://api.github.com/users/TJ-Stammer/orgs","repos_url":"https://api.github.com/users/TJ-Stammer/repos","events_url":"https://api.github.com/users/TJ-Stammer/events{/privacy}","received_events_url":"https://api.github.com/users/TJ-Stammer/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-07-13T17:17:01Z","updated_at":"2015-07-13T22:27:41Z","closed_at":null,"body":"Hello Vince,\r\n\r\nI've tried to align based on landmarks and also have used various coo_functions to try to align my outlines to one another. Unfortunately, I keep getting large amounts of variation due to asymmetry even when I correct for it by cutting my shapes in half and using a reflection of one side to eliminate asymmetry. Whenever I change my alignment methods I get different morphospaces. What's bugging me is that my results from Shape and Momocs usually come out drastically different and I think it's due to the fact that I normalize based on the first harmonic in Shape. I was just wondering if there was a similar option in momocs or if, due to the nature of working with coo objects, it is impossible to replicate my results. \r\n\r\nThanks in advance!\r\nTJ"},"comment":{"url":"https://api.github.com/repos/vbonhomme/Momocs/issues/comments/121079875","html_url":"https://github.com/vbonhomme/Momocs/issues/89#issuecomment-121079875","issue_url":"https://api.github.com/repos/vbonhomme/Momocs/issues/89","id":121079875,"user":{"login":"vbonhomme","id":4728854,"avatar_url":"https://avatars.githubusercontent.com/u/4728854?v=3","gravatar_id":"","url":"https://api.github.com/users/vbonhomme","html_url":"https://github.com/vbonhomme","followers_url":"https://api.github.com/users/vbonhomme/followers","following_url":"https://api.github.com/users/vbonhomme/following{/other_user}","gists_url":"https://api.github.com/users/vbonhomme/gists{/gist_id}","starred_url":"https://api.github.com/users/vbonhomme/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vbonhomme/subscriptions","organizations_url":"https://api.github.com/users/vbonhomme/orgs","repos_url":"https://api.github.com/users/vbonhomme/repos","events_url":"https://api.github.com/users/vbonhomme/events{/privacy}","received_events_url":"https://api.github.com/users/vbonhomme/received_events","type":"User","site_admin":false},"created_at":"2015-07-13T22:27:41Z","updated_at":"2015-07-13T22:27:41Z","body":"when you're happy with a pipe of coo_functions, then you can pass the Out\nto efourier with norm=FALSE. See also the Details sections. eg.\n\ndata(bot)\nlibrary(magrittr)\nbot %>% coo_align() %>% coo_slidedirection(\"E\") %>% efourier(norm=FALSE)\n%>% PCA() %>% plot(\"type\")\n\n\n2015-07-13 19:17 GMT+02:00 TJ-Stammer <notifications@github.com>:\n\n> Hello Vince,\n>\n> I've tried to align based on landmarks and also have used various\n> coo_functions to try to align my outlines to one another. Unfortunately, I\n> keep getting large amounts of variation due to asymmetry even when I\n> correct for it by cutting my shapes in half and using a reflection of one\n> side to eliminate asymmetry. Whenever I change my alignment methods I get\n> different morphospaces. What's bugging me is that my results from Shape and\n> Momocs usually come out drastically different and I think it's due to the\n> fact that I normalize based on the first harmonic in Shape. I was just\n> wondering if there was a similar option in momocs or if, due to the nature\n> of working with coo objects, it is impossible to replicate my results.\n>\n> Thanks in advance!\n> TJ\n>\n> —\n> Reply to this email directly or view it on GitHub\n> <https://github.com/vbonhomme/Momocs/issues/89>.\n>\n\n\n\n-- \nvincentbonhomme.fr <http://www.vincentbonhomme.fr>\n"}}