{"id":306,"date":"2013-08-29T13:45:17","date_gmt":"2013-08-29T17:45:17","guid":{"rendered":"http:\/\/sites.hampshire.edu\/ci-lab\/?p=306"},"modified":"2013-09-17T12:48:47","modified_gmt":"2013-09-17T16:48:47","slug":"lab-notes-8272013","status":"publish","type":"post","link":"https:\/\/sites.hampshire.edu\/ci-lab\/2013\/08\/29\/lab-notes-8272013\/","title":{"rendered":"27 August 2013"},"content":{"rendered":"<p>Present: Lee, Tom (scribe), David, Kyle, Jake, Daniel, Kwaku (he could see us, we couldn&#8217;t see him)<\/p>\n<p>Semester meeting time: Wednesdays from 10AM to noon, starting next week.<\/p>\n<p>Lee&#8217;s To Do:<\/p>\n<ul>\n<li>Edit info on website.<\/li>\n<li>Merge changes into Clojush, including Tom&#8217;s pull request and Kyle&#8217;s RNG code.<\/li>\n<\/ul>\n<h2>Clojush RNG<\/h2>\n<p>Things aren&#8217;t too bad, so we don&#8217;t have to do anything drastic like redo all of our runs. Kyle&#8217;s new code should solve the problem, at least as well as can be done using Java&#8217;s RNG.<\/p>\n<h2>Lexicase Speed<\/h2>\n<p>Tom will try out making error lists into error vectors, which should hopefully speed up lexicase. More news to follow after this has been tested.<\/p>\n<h2>FRIGHT Paper<\/h2>\n<ul>\n<li>Uses rule-based evolution for ghost team vs. Ms. Pac-Man<\/li>\n<li>Uses ECJ!<\/li>\n<li>Seems related to other rule-based systems and learning classifier systems<\/li>\n<\/ul>\n<h2>Ventpods<\/h2>\n<ul>\n<li>Lee has ideas for making ventpods create waste<\/li>\n<li>Programming is getting there.<\/li>\n<\/ul>\n<h2>Calc Problem Updates<\/h2>\n<ul>\n<li>Something recently added is helping!\n<ul>\n<li>Single-digit and double-digit entry tests and single digit math seem to be evolving decently.<\/li>\n<\/ul>\n<\/li>\n<li>Changes include:\n<ul>\n<li>Back to regular lexicase<\/li>\n<li>Each &#8220;test&#8221; generates 2 cases:\n<ul>\n<li>Numerical difference from desired output<\/li>\n<li>Levenshtein distance of string to desired string<\/li>\n<li>Important to think about fitness function carefully!<\/li>\n<li>Also, a meta test case that counts the number of other test cases that aren&#8217;t zero<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>Many no-ops may be helpful!?!?\n<ul>\n<li>Homology \/ ULTRA \/ ???<\/li>\n<li>May want to try some sort of ULTRA with pre-specified or evolved &#8220;crossover points&#8221;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Lexicase Subset Division (Dave&#8217;s Idea)<\/h2>\n<ul>\n<li>Related to spacial co-evolution if we use neighborhoods like trivial geography.<\/li>\n<li>How to make lexicase faster by using fewer test cases?<\/li>\n<\/ul>\n<h2>Age-Enhanced Lexicase<\/h2>\n<p>Idea: make age a test case used in lexicase selection.<\/p>\n<ul>\n<li>Is one age case enough?<\/li>\n<li>Other added cases may be helpful!<\/li>\n<li>Try on other problems?<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Present: Lee, Tom (scribe), David, Kyle, Jake, Daniel, Kwaku (he could see us, we couldn&#8217;t see him) Semester meeting time: Wednesdays from 10AM to noon, starting next week. Lee&#8217;s To Do: Edit info on website. Merge changes into Clojush, including Tom&#8217;s pull request and Kyle&#8217;s RNG code. Clojush RNG Things aren&#8217;t too bad, so we [&hellip;]<\/p>\n","protected":false},"author":635,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-306","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts\/306"}],"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\/635"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/comments?post=306"}],"version-history":[{"count":4,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts\/306\/revisions"}],"predecessor-version":[{"id":338,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts\/306\/revisions\/338"}],"wp:attachment":[{"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/media?parent=306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/categories?post=306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/tags?post=306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}