{"version":"1.0","provider_name":"Kodlar\u0131n Gizemli D\u00fcnyas\u0131","provider_url":"https:\/\/fatihsoysal.com\/blog","author_name":"Fatih Soysal","author_url":"https:\/\/fatihsoysal.com\/blog\/author\/fatihsoysal\/","title":"Do\u011fruluk Neden Aldat\u0131c\u0131d\u0131r? Ger\u00e7ek Metrikler (B\u00f6l\u00fcm 4)","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"5epSEcQEGM\"><a href=\"https:\/\/fatihsoysal.com\/blog\/dogruluk-neden-aldaticidir-gercek-metrikler-bolum-4\/\">Do\u011fruluk Neden Aldat\u0131c\u0131d\u0131r? Ger\u00e7ek Metrikler (B\u00f6l\u00fcm 4)<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/fatihsoysal.com\/blog\/dogruluk-neden-aldaticidir-gercek-metrikler-bolum-4\/embed\/#?secret=5epSEcQEGM\" width=\"600\" height=\"338\" title=\"&#8220;Do\u011fruluk Neden Aldat\u0131c\u0131d\u0131r? Ger\u00e7ek Metrikler (B\u00f6l\u00fcm 4)&#8221; &#8212; Kodlar\u0131n Gizemli D\u00fcnyas\u0131\" data-secret=\"5epSEcQEGM\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n<\/script>\n","description":"Makine \u00f6\u011frenimi projelerinde model ba\u015far\u0131s\u0131n\u0131 \u00f6l\u00e7mek, \u00e7o\u011fu zaman d\u00fc\u015f\u00fcnd\u00fc\u011f\u00fcm\u00fczden daha karma\u015f\u0131k bir s\u00fcre\u00e7tir. Genellikle ilk akla gelen ve en basit g\u00f6r\u00fcnen metrik do\u011fruluk (accuracy) olsa da, bu pop\u00fcler g\u00f6sterge ne yaz\u0131k ki s\u0131k s\u0131k yan\u0131lt\u0131c\u0131 sonu\u00e7lar verebilir. Peki, neden sadece do\u011frulu\u011fa g\u00fcvenmek tehlikelidir ve modelimizin ger\u00e7ek performans\u0131n\u0131 anlamak i\u00e7in hangi metrikleri kullanmal\u0131y\u0131z? Bu makalede, do\u011fruluk metriklerinin neden yetersiz kald\u0131\u011f\u0131n\u0131 derinlemesine inceleyecek, ger\u00e7ek d\u00fcnyadaki zorluklara nas\u0131l \u00e7\u00f6z\u00fcm bulabilece\u011fimizi ke\u015ffedece\u011fiz ve modellerimizi daha sa\u011flam bir \u015fekilde de\u011ferlendirmek i\u00e7in kullanabilece\u011fimiz alternatif metrikleri ad\u0131m ad\u0131m \u00f6\u011frenece\u011fiz. \u00d6zellikle dengesiz veri k\u00fcmeleriyle \u00e7al\u0131\u015f\u0131rken do\u011fru de\u011ferlendirme metriklerini se\u00e7mek, projenizin ba\u015far\u0131s\u0131 i\u00e7in hayati \u00f6neme sahiptir; aksi takdirde, \"m\u00fckemmel\" g\u00f6r\u00fcnen bir modelin ger\u00e7ekte hi\u00e7bir i\u015fe yaramad\u0131\u011f\u0131n\u0131 fark edebilirsiniz."}