{"id":1820,"date":"2016-12-30T20:42:59","date_gmt":"2016-12-30T19:42:59","guid":{"rendered":"https:\/\/bob-team.de\/wordpress\/?p=1820"},"modified":"2017-06-07T16:00:08","modified_gmt":"2017-06-07T14:00:08","slug":"sigmoid-in-r","status":"publish","type":"post","link":"https:\/\/bob-team.de\/wordpress\/2016\/12\/30\/sigmoid-in-r\/","title":{"rendered":"sigmoid in R"},"content":{"rendered":"<pre lang=\"scilab\">x = seq(-1, 1, 0.1)\r\nsigmoid = function(x, g) {1 \/ (1 + exp(-g*x))}\r\nplot(x, sigmoid(x, 10), t=\"l\", col=\"blue\")<\/pre>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bob-team.de\/wordpress\/wp-content\/uploads\/2016\/12\/sigmoid.png\" alt=\"\" width=\"420\" height=\"290\" class=\"size-full wp-image-1821\" srcset=\"https:\/\/bob-team.de\/wordpress\/wp-content\/uploads\/2016\/12\/sigmoid.png 420w, https:\/\/bob-team.de\/wordpress\/wp-content\/uploads\/2016\/12\/sigmoid-300x207.png 300w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/p>\n<p>Der Parameter &#8222;g&#8220; gibt die Steigung der Funktion an. Ein kleiner Wert l\u00e4sst die Kurve flacher werden.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/bob-team.de\/wordpress\/wp-content\/uploads\/2016\/12\/sigmoid-1.png\" alt=\"\" width=\"420\" height=\"289\" class=\"size-full wp-image-1841\" srcset=\"https:\/\/bob-team.de\/wordpress\/wp-content\/uploads\/2016\/12\/sigmoid-1.png 420w, https:\/\/bob-team.de\/wordpress\/wp-content\/uploads\/2016\/12\/sigmoid-1-300x206.png 300w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/p>\n<p>In Java mit g = 1: <tt>(1\/( 1 + Math.pow(Math.E,(-1*x))))<\/tt><\/p>\n","protected":false},"excerpt":{"rendered":"<p>x = seq(-1, 1, 0.1) sigmoid = function(x, g) {1 \/ (1 + exp(-g*x))} plot(x, sigmoid(x, 10), t=&#8220;l&#8220;, col=&#8220;blue&#8220;) Der Parameter &#8222;g&#8220; gibt die Steigung der Funktion an. Ein kleiner Wert l\u00e4sst die Kurve flacher werden. In Java mit g = 1: (1\/( 1 + Math.pow(Math.E,(-1*x))))<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[103],"class_list":["post-1820","post","type-post","status-publish","format-standard","hentry","category-skripte","tag-r","entry"],"_links":{"self":[{"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/posts\/1820","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/comments?post=1820"}],"version-history":[{"count":9,"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/posts\/1820\/revisions"}],"predecessor-version":[{"id":1936,"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/posts\/1820\/revisions\/1936"}],"wp:attachment":[{"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/media?parent=1820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/categories?post=1820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bob-team.de\/wordpress\/wp-json\/wp\/v2\/tags?post=1820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}