{"id":2241,"date":"2023-07-23T03:03:16","date_gmt":"2023-07-23T03:03:16","guid":{"rendered":"https:\/\/statorials.org\/tr\/rde-sicak-kodlama\/"},"modified":"2023-07-23T03:03:16","modified_gmt":"2023-07-23T03:03:16","slug":"rde-sicak-kodlama","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rde-sicak-kodlama\/","title":{"rendered":"R&#39;de tek s\u0131cak kodlama nas\u0131l yap\u0131l\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Kategorik de\u011fi\u015fkenleri makine \u00f6\u011frenimi algoritmalar\u0131 taraf\u0131ndan kullan\u0131labilecek bir formata d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in <strong>tek s\u0131cak kodlama<\/strong> kullan\u0131l\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">One-hot kodlaman\u0131n temel fikri, orijinal kategorik de\u011ferleri temsil etmek i\u00e7in 0 ve 1 de\u011ferlerini alan yeni de\u011fi\u015fkenler olu\u015fturmakt\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6rne\u011fin, a\u015fa\u011f\u0131daki g\u00f6r\u00fcnt\u00fc, tak\u0131m adlar\u0131n\u0131 i\u00e7eren kategorik bir de\u011fi\u015fkeni yaln\u0131zca 0 ve 1 de\u011ferleri i\u00e7eren yeni de\u011fi\u015fkenlere d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in nas\u0131l s\u0131cak kodlama yapaca\u011f\u0131m\u0131z\u0131 g\u00f6sterir:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-20468 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/unhot1.png\" alt=\"\" width=\"592\" height=\"275\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki ad\u0131m ad\u0131m \u00f6rnek, R&#8217;de bu tam veri k\u00fcmesi i\u00e7in tek seferlik kodlaman\u0131n nas\u0131l yap\u0131laca\u011f\u0131n\u0131 g\u00f6sterir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>1. Ad\u0131m: Verileri olu\u015fturun<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\u00d6ncelikle R&#8217;de a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesini olu\u015ftural\u0131m:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'B', 'B', 'B', 'B', 'C', 'C'),\n                 points=c(25, 12, 15, 14, 19, 23, 25, 29))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team points\n1 to 25\n2 to 12\n3 B 15\n4 B 14\n5 B 19\n6 B 23\n7 C 25\n8 C 29\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>2. Ad\u0131m: Tek seferde kodlama ger\u00e7ekle\u015ftirin<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Daha sonra, veri \u00e7er\u00e7evesindeki &#8216;team&#8217; de\u011fi\u015fkenini tek seferde kodlamak i\u00e7in <b>caret<\/b> paketinin <strong>dummyVars()<\/strong> fonksiyonunu kullanal\u0131m:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library <span style=\"color: #000000;\">(<\/span><\/span> caret)\n\n<span style=\"color: #008080;\">#define one-hot encoding function\n<\/span>dummy &lt;- dummyVars(\" <span style=\"color: #ff0000;\">~ .<\/span> \", data=df)\n\n<span style=\"color: #008080;\">#perform one-hot encoding on data frame\n<\/span>final_df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (predict(dummy, newdata=df))\n\n<span style=\"color: #008080;\">#view final data frame\n<\/span>final_df\n\n  teamA teamB teamC points\n1 1 0 0 25\n2 1 0 0 12\n3 0 1 0 15\n4 0 1 0 14\n5 0 1 0 19\n6 0 1 0 23\n7 0 0 1 25\n8 0 0 1 29<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Orijinal &#8220;ekip&#8221; s\u00fctunu \u00fc\u00e7 benzersiz de\u011fer i\u00e7erdi\u011finden veri \u00e7er\u00e7evesine \u00fc\u00e7 yeni s\u00fctun eklendi\u011fini unutmay\u0131n.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ayr\u0131ca orijinal &#8220;ekip&#8221; s\u00fctununun art\u0131k ihtiya\u00e7 duyulmad\u0131\u011f\u0131ndan veri \u00e7er\u00e7evesinden kald\u0131r\u0131ld\u0131\u011f\u0131n\u0131 unutmay\u0131n.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tek-hot kodlama tamamland\u0131 ve art\u0131k bu veri k\u00fcmesini tercih etti\u011fimiz herhangi bir makine \u00f6\u011frenimi algoritmas\u0131na besleyebiliriz.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Not<\/strong> : <strong>dummyVars()<\/strong> i\u015flevine ili\u015fkin \u00e7evrimi\u00e7i belgelerin tamam\u0131n\u0131 <a href=\"https:\/\/www.rdocumentation.org\/packages\/caret\/versions\/6.0-88\/topics\/dummyVars\" target=\"_blank\" rel=\"noopener\">burada<\/a> bulabilirsiniz.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki e\u011fitimler kategorik de\u011fi\u015fkenlerin kullan\u0131m\u0131na ili\u015fkin ek bilgiler sa\u011flar:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/tr\/rde-kategorik-bir-degisken-yarat\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de kategorik de\u011fi\u015fkenler nas\u0131l olu\u015fturulur?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/rde-kategorik-verileri-ciz\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de kategorik veriler nas\u0131l \u00e7izilir<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/kategorik-ve-niceliksel\/\" target=\"_blank\" rel=\"noopener\">Kategorik veya niceliksel de\u011fi\u015fkenler: fark nedir?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kategorik de\u011fi\u015fkenleri makine \u00f6\u011frenimi algoritmalar\u0131 taraf\u0131ndan kullan\u0131labilecek bir formata d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in tek s\u0131cak kodlama kullan\u0131l\u0131r. One-hot kodlaman\u0131n temel fikri, orijinal kategorik de\u011ferleri temsil etmek i\u00e7in 0 ve 1 de\u011ferlerini alan yeni de\u011fi\u015fkenler olu\u015fturmakt\u0131r. \u00d6rne\u011fin, a\u015fa\u011f\u0131daki g\u00f6r\u00fcnt\u00fc, tak\u0131m adlar\u0131n\u0131 i\u00e7eren kategorik bir de\u011fi\u015fkeni yaln\u0131zca 0 ve 1 de\u011ferleri i\u00e7eren yeni de\u011fi\u015fkenlere d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in nas\u0131l s\u0131cak kodlama [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2241","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R - Statorialsde Tek S\u0131cak Kodlama nas\u0131l yap\u0131l\u0131r<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, ad\u0131m ad\u0131m bir \u00f6rnek de dahil olmak \u00fczere R&#039;de tek ge\u00e7i\u015fli kodlaman\u0131n nas\u0131l yap\u0131laca\u011f\u0131 a\u00e7\u0131klanmaktad\u0131r.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/tr\/rde-sicak-kodlama\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R - 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