{"id":512,"date":"2014-07-01T14:14:46","date_gmt":"2014-07-01T18:14:46","guid":{"rendered":"http:\/\/sites.hampshire.edu\/ci-lab\/?p=512"},"modified":"2014-07-01T14:14:46","modified_gmt":"2014-07-01T18:14:46","slug":"1-july-2014","status":"publish","type":"post","link":"https:\/\/sites.hampshire.edu\/ci-lab\/2014\/07\/01\/1-july-2014\/","title":{"rendered":"1 July 2014"},"content":{"rendered":"<h2>Administrative<\/h2>\n<ul>\n<li>Present: Lee, Tom (scribe), Tim, Karthik (remote), Bill (remote)<\/li>\n<li>Tom will practice GECCO talk next week<\/li>\n<li>Frode should send us GECCO slides shortly<\/li>\n<\/ul>\n<h2>Plush genomes -&gt; Push programs<\/h2>\n<ul>\n<li>Do we want <span style=\"text-decoration: underline\">any<\/span> Push program to be able to be represented by a Plush genome?\n<ul>\n<li>Lee: Yes!<\/li>\n<li>Tom: Maybe?<\/li>\n<\/ul>\n<\/li>\n<li>To do so, we have new instructions:\n<ul>\n<li>meta_open &#8211; opens new paren<\/li>\n<li>meta_splice_backward &#8211; deleted previous paren pair<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Hill-climbing vs. Genetic Operators<\/h2>\n<ul>\n<li>e.g. simplification, epigenetics, etc.<\/li>\n<li>Is it useful to test and revert (using a fitness evaluation), or is just making the change and letting selection work it out just as good?<\/li>\n<li>Maybe Bill or Tom should experiment with this &#8212; EHC vs. using epigenetic genetic operators with more generations to make up for EHC&#8217;s extra evaluations.<\/li>\n<li>Simplest is to never do hill climbing, just have genetic operators.<\/li>\n<li>Decision: Implement a wrapper argument (like :make-reverting) that can be used in genetic operator pipelines that cases the next operator to be reverted if not better than its input program.<\/li>\n<\/ul>\n<h2>Issue of what to do with child programs that exceed size limits<\/h2>\n<p>Decision: implement argument with these options:<\/p>\n<ul>\n<li>return clone of one parent (default, as previously)<\/li>\n<li>return empty program<\/li>\n<li>return random program<\/li>\n<li>return one parent with some part(s) deleted<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Administrative Present: Lee, Tom (scribe), Tim, Karthik (remote), Bill (remote) Tom will practice GECCO talk next week Frode should send us GECCO slides shortly Plush genomes -&gt; Push programs Do we want any Push program to be able to be represented by a Plush genome? Lee: Yes! Tom: Maybe? To do so, we have new [&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-512","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts\/512"}],"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=512"}],"version-history":[{"count":2,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts\/512\/revisions"}],"predecessor-version":[{"id":514,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/posts\/512\/revisions\/514"}],"wp:attachment":[{"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/media?parent=512"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/categories?post=512"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.hampshire.edu\/ci-lab\/wp-json\/wp\/v2\/tags?post=512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}