{"id":179,"date":"2013-08-07T21:09:05","date_gmt":"2013-08-08T01:09:05","guid":{"rendered":"http:\/\/sites.hampshire.edu\/ci-lab\/?p=179"},"modified":"2013-08-07T21:09:05","modified_gmt":"2013-08-08T01:09:05","slug":"21-may-2013","status":"publish","type":"post","link":"https:\/\/sites.hampshire.edu\/ci-lab\/2013\/08\/07\/21-may-2013\/","title":{"rendered":"21 May 2013"},"content":{"rendered":"<p>Present: Lee, Tom, Daniel (scribe), Kwaku.<\/p>\n<h2>Administrative<\/h2>\n<ul>\n<li>Jake may come and bring brevis into the group<\/li>\n<li>Several people are expressing intrest to join the group in the near future<\/li>\n<\/ul>\n<h2>Future Work<\/h2>\n<ul>\n<li>GPTP chapter deadline is 5\/30\n<ul>\n<li>needs update for new data<\/li>\n<\/ul>\n<\/li>\n<li>Add Jamie and Daniel&#8217;s data to lexicase article<\/li>\n<li>GPTP token to Tom<\/li>\n<li>Lexicase and node selection are next for Tom<\/li>\n<li>Discussion of what Daniel should be doing\n<ul>\n<li>weighted lexicase with previous algebra work<\/li>\n<li>try to do push work with environments<\/li>\n<li>do push for finite algrebra problems<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>GPSP<\/h2>\n<ul>\n<li>Lee has been communicating with Alberto Moraglio<\/li>\n<li>Alberto has been learning Push and Clojure very quickly<\/li>\n<li>He has been working on a system he thinks could solve a very difficult parity challenge\n<ul>\n<li>Anyone is welcome to help work on this<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Selection<\/h2>\n<ul>\n<li>Lexicase selection seems to be demonstrably good in many cases<\/li>\n<li>It is even good in non modal problems<\/li>\n<li>Have looked at ways to improve lexicase selection<\/li>\n<li>All previous attempts at improving lexicase have been bad<\/li>\n<\/ul>\n<h3>Niche Elite Selection<\/h3>\n<ul>\n<li>This is the system talked about in the previous meeting<\/li>\n<li>This system seems to be truly terrible<\/li>\n<\/ul>\n<h3>Newest Proposed System<\/h3>\n<ul>\n<li>Instead of doing sorting of cases, sometimes can skip a case<\/li>\n<li>Discussion when and why you skip\n<ul>\n<li>Decide want a low chance of skipping if case is unique<\/li>\n<li>This calls for a similarity measure; we decide to use mutual information<\/li>\n<li>Kwaku brings up this is a valuable metric about test cases in general<\/li>\n<\/ul>\n<\/li>\n<li>Decide the specialness of cases shouldn&#8217;t be recomputed for smaller populations<\/li>\n<\/ul>\n<h2>Reading<\/h2>\n<ul>\n<li>There will be a discussion next meeting about the genetic improvement paper that has already been sent out to the list<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Present: Lee, Tom, Daniel (scribe), Kwaku. Administrative Jake may come and bring brevis into the group Several people are expressing intrest to join the group in the near future Future Work GPTP chapter deadline is 5\/30 needs update for new data Add Jamie and Daniel&#8217;s data to lexicase article GPTP token to Tom Lexicase and [&hellip;]<\/p>\n","protected":false},"author":622,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-179","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts\/179"}],"collection":[{"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/users\/622"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/comments?post=179"}],"version-history":[{"count":1,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts\/179\/revisions"}],"predecessor-version":[{"id":180,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts\/179\/revisions\/180"}],"wp:attachment":[{"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/media?parent=179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/categories?post=179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/tags?post=179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}