{"id":938,"date":"2023-07-28T06:22:59","date_gmt":"2023-07-28T06:22:59","guid":{"rendered":"https:\/\/statorials.org\/tr\/eslik-eden-degisken\/"},"modified":"2023-07-28T06:22:59","modified_gmt":"2023-07-28T06:22:59","slug":"eslik-eden-degisken","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/eslik-eden-degisken\/","title":{"rendered":"Rakip de\u011fi\u015fkeni: tan\u0131m ve \u00f6rnekler"},"content":{"rendered":"

<\/p>\n

\n

E\u015fzamanl\u0131 de\u011fi\u015fken<\/strong> (bazen “ortak de\u011fi\u015fken” olarak da adland\u0131r\u0131l\u0131r), bir \u00e7al\u0131\u015fmada birincil \u00f6neme sahip olmayan ancak yine de incelenen ilgili de\u011fi\u015fken(ler) ile bir miktar etkile\u015fime sahip olabilen bir de\u011fi\u015fkendir.<\/span><\/p>\n

Bu t\u00fcr de\u011fi\u015fkenlerin hesaba kat\u0131lmamas\u0131, analizde tarafl\u0131 veya yan\u0131lt\u0131c\u0131 sonu\u00e7lara yol a\u00e7abilir. Bu nedenle m\u00fcmk\u00fcn oldu\u011funda onlar\u0131 tedavi etmek \u00f6nemlidir.<\/span><\/p>\n

G\u00f6zlemsel \u00e7al\u0131\u015fmalarda, birlikte ortaya \u00e7\u0131kan de\u011fi\u015fkenlerin, veriler ve de\u011fi\u015fkenler aras\u0131ndaki ili\u015fkiler konusunda ola\u011fand\u0131\u015f\u0131 yorumlara yol a\u00e7abilece\u011finin fark\u0131nda olmak \u00f6nemlidir. Deneysel \u00e7al\u0131\u015fmalarda deneyin, e\u015flik eden de\u011fi\u015fkenlerin riskini ortadan kald\u0131racak veya azaltacak \u015fekilde tasarlanmas\u0131 \u00f6nemlidir.<\/span><\/p>\n

A\u015fa\u011f\u0131daki \u00f6rnekler, bir \u00e7al\u0131\u015fmada e\u015flik eden de\u011fi\u015fkenlerin bulunabilece\u011fi \u00e7e\u015fitli durumlar\u0131 g\u00f6stermektedir:<\/span><\/p>\n

\u00f6rnek 1<\/strong><\/span><\/h3>\n

Ara\u015ft\u0131rmac\u0131lar n\u00fcfus yo\u011funlu\u011fu ile dondurma sat\u0131\u015flar\u0131 aras\u0131ndaki ili\u015fkiyi anlamak istiyor. Ancak hava durumu, dondurma sat\u0131\u015flar\u0131n\u0131 muhtemelen etkileyen e\u015flik eden bir de\u011fi\u015fkendir.<\/span><\/p>\n

Bu nedenle, e\u011fer ara\u015ft\u0131rmac\u0131lar n\u00fcfus yo\u011funlu\u011fu ile dondurma sat\u0131\u015flar\u0131 aras\u0131ndaki ili\u015fkiyi \u00f6l\u00e7mek i\u00e7indo\u011frusal bir regresyon<\/a> yapmak istiyorlarsa, regresyonda bu de\u011fi\u015fkeni kontrol edebilmek ve bir tahmin elde edebilmek i\u00e7in hava durumu hakk\u0131nda da veri toplamaya \u00e7al\u0131\u015fmal\u0131d\u0131rlar. kesin. N\u00fcfus yo\u011funlu\u011funun dondurma sat\u0131\u015flar\u0131na etkisi.<\/span><\/p>\n

\u00d6rnek 2<\/strong><\/span><\/h3>\n

Ara\u015ft\u0131rmac\u0131lar antrenmanda harcanan saat ile basketbolcular\u0131n ma\u00e7 ba\u015f\u0131na ald\u0131\u011f\u0131 ortalama puan aras\u0131ndaki ili\u015fkiyi anlamak istiyor. Bununla birlikte, at\u0131lan ortalama puan\u0131 muhtemelen etkileyen bir de\u011fi\u015fken de oyun ba\u015f\u0131na oynanan dakika say\u0131s\u0131d\u0131r.<\/span><\/p>\n

Bu nedenle, ara\u015ft\u0131rmac\u0131lar ayn\u0131 zamanda bir oyuncunun oyun ba\u015f\u0131na oynad\u0131\u011f\u0131 dakika say\u0131s\u0131n\u0131 da izlemeli, b\u00f6ylece bunu regresyon analizine bir de\u011fi\u015fken olarak dahil edebilir ve pratik yapmak i\u00e7in harcanan saatlerin oyun ba\u015f\u0131na al\u0131nan ortalama puanlar \u00fczerindeki etkisini izole edebilirler.<\/span><\/p>\n

\u0130lgili:<\/strong> Regresyon Katsay\u0131lar\u0131 Nas\u0131l Yorumlan\u0131r?<\/a><\/span><\/p>\n

\u00d6rnek 3<\/strong><\/span><\/h3>\n

Ara\u015ft\u0131rmac\u0131lar belirli bir g\u00fcbrenin bitki b\u00fcy\u00fcmesinin artmas\u0131na neden olup olmad\u0131\u011f\u0131n\u0131 bilmek istiyorlar.<\/span><\/span> Ancak g\u00fcne\u015fe maruz kalma ve sulama s\u0131kl\u0131\u011f\u0131 bitki b\u00fcy\u00fcmesini etkileyebilecek iki potansiyel e\u015fzamanl\u0131 de\u011fi\u015fkendir.<\/span><\/p>\n

Bu nedenle ara\u015ft\u0131rmac\u0131lar, regresyon analizine de\u011fi\u015fken olarak dahil edilebilmeleri ve g\u00fcne\u015fe maruz kalma ve sulama s\u0131kl\u0131\u011f\u0131n\u0131 dikkate ald\u0131ktan sonra g\u00fcbrenin b\u00fcy\u00fcyen bitkiler \u00fczerindeki etkisini anlayabilmeleri i\u00e7in g\u00fcne\u015fe maruz kalma ve sulama s\u0131kl\u0131\u011f\u0131na ili\u015fkin verileri de toplamal\u0131d\u0131r.<\/em><\/span><\/p>\n

E\u015flik eden de\u011fi\u015fkenler nas\u0131l belirlenir ve ortadan kald\u0131r\u0131l\u0131r<\/strong><\/span><\/h3>\n

Birlikte ortaya \u00e7\u0131kan de\u011fi\u015fkenleri ortaya \u00e7\u0131karmak i\u00e7in, \u00e7al\u0131\u015f\u0131lan alanda alan uzmanl\u0131\u011f\u0131na sahip olmak yararl\u0131 olacakt\u0131r. \u00c7al\u0131\u015fmaya a\u00e7\u0131k\u00e7a dahil edilmeyen \u00e7al\u0131\u015fma de\u011fi\u015fkenleri aras\u0131ndaki ili\u015fkiyi hangi potansiyel de\u011fi\u015fkenlerin etkileyebilece\u011fini bilerek, birlikte ortaya \u00e7\u0131kan potansiyel de\u011fi\u015fkenleri ortaya \u00e7\u0131karabilirsiniz.<\/span><\/p>\n

G\u00f6zlemsel \u00e7al\u0131\u015fmalarda e\u015flik eden de\u011fi\u015fkenlerin riskini ortadan kald\u0131rmak \u00e7ok zor olabilir. \u00c7o\u011fu durumda yapabilece\u011finiz en iyi \u015fey, \u00e7al\u0131\u015fmay\u0131 etkileyebilecek, birlikte ortaya \u00e7\u0131kan potansiyel de\u011fi\u015fkenleri \u00f6nlemek yerine basit\u00e7e tan\u0131mlamakt\u0131r.<\/span><\/p>\n

Ancak deneysel \u00e7al\u0131\u015fmalarda, e\u015flik eden de\u011fi\u015fkenlerin etkisi, iyi bir deney tasar\u0131m\u0131 ile b\u00fcy\u00fck \u00f6l\u00e7\u00fcde ortadan kald\u0131r\u0131labilmektedir.<\/span><\/p>\n

\u00d6rne\u011fin, iki hap\u0131n kan bas\u0131nc\u0131 \u00fczerinde farkl\u0131 bir etkisinin olup olmad\u0131\u011f\u0131n\u0131 bilmek istedi\u011fimizi varsayal\u0131m. Diyet<\/em> ve sigara al\u0131\u015fkanl\u0131\u011f\u0131<\/em> gibi e\u015flik eden de\u011fi\u015fkenlerin de kan bas\u0131nc\u0131n\u0131 etkiledi\u011fini biliyoruz. Bu nedenle, rastgele bir tasar\u0131m kullanarak bu e\u015flik eden de\u011fi\u015fkenleri kontrol etmeye \u00e7al\u0131\u015fabiliriz. Bu, hastalar\u0131 birinci veya ikinci hap\u0131 almalar\u0131 i\u00e7in rastgele atad\u0131\u011f\u0131m\u0131z anlam\u0131na gelir.<\/span><\/p>\n

Hastalar\u0131 rastgele gruplara atad\u0131\u011f\u0131m\u0131z i\u00e7in, e\u015flik eden de\u011fi\u015fkenlerin her iki grubu da yakla\u015f\u0131k olarak e\u015fit \u015fekilde etkileyece\u011fini varsayabiliriz. Bu, kan bas\u0131nc\u0131ndaki herhangi bir farkl\u0131l\u0131\u011f\u0131n e\u015flik eden bir de\u011fi\u015fkenin etkisinden ziyade hapla ili\u015fkilendirilebilece\u011fi anlam\u0131na gelir.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

E\u015fzamanl\u0131 de\u011fi\u015fken (bazen “ortak de\u011fi\u015fken” olarak da adland\u0131r\u0131l\u0131r), bir \u00e7al\u0131\u015fmada birincil \u00f6neme sahip olmayan ancak yine de incelenen ilgili de\u011fi\u015fken(ler) ile bir miktar etkile\u015fime sahip olabilen bir de\u011fi\u015fkendir. Bu t\u00fcr de\u011fi\u015fkenlerin hesaba kat\u0131lmamas\u0131, analizde tarafl\u0131 veya yan\u0131lt\u0131c\u0131 sonu\u00e7lara yol a\u00e7abilir. Bu nedenle m\u00fcmk\u00fcn oldu\u011funda onlar\u0131 tedavi etmek \u00f6nemlidir. G\u00f6zlemsel \u00e7al\u0131\u015fmalarda, birlikte ortaya \u00e7\u0131kan de\u011fi\u015fkenlerin, veriler […]<\/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-938","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nE\u015fzamanl\u0131 de\u011fi\u015fken: tan\u0131m ve \u00f6rnekler - Statorials<\/title>\n<meta name=\"description\" content=\"Birka\u00e7 \u00f6rnek de dahil olmak \u00fczere, birlikte ortaya \u00e7\u0131kan de\u011fi\u015fkenlerin basit bir a\u00e7\u0131klamas\u0131.\" \/>\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\/eslik-eden-degisken\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"E\u015fzamanl\u0131 de\u011fi\u015fken: tan\u0131m ve \u00f6rnekler - Statorials\" \/>\n<meta property=\"og:description\" content=\"Birka\u00e7 \u00f6rnek de dahil olmak \u00fczere, birlikte ortaya \u00e7\u0131kan de\u011fi\u015fkenlerin basit bir a\u00e7\u0131klamas\u0131.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/eslik-eden-degisken\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T06:22:59+00:00\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/tr\/eslik-eden-degisken\/\",\"url\":\"https:\/\/statorials.org\/tr\/eslik-eden-degisken\/\",\"name\":\"E\u015fzamanl\u0131 de\u011fi\u015fken: tan\u0131m ve \u00f6rnekler - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-28T06:22:59+00:00\",\"dateModified\":\"2023-07-28T06:22:59+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"Birka\u00e7 \u00f6rnek de dahil olmak \u00fczere, birlikte ortaya \u00e7\u0131kan de\u011fi\u015fkenlerin basit bir a\u00e7\u0131klamas\u0131.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/eslik-eden-degisken\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/eslik-eden-degisken\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/eslik-eden-degisken\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Rakip de\u011fi\u015fkeni: tan\u0131m ve \u00f6rnekler\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/tr\/#website\",\"url\":\"https:\/\/statorials.org\/tr\/\",\"name\":\"Statorials\",\"description\":\"\u0130statistik okuryazarl\u0131\u011f\u0131 rehberiniz!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/tr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"tr\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Merhaba, ben Benjamin, emekli bir istatistik profes\u00f6r\u00fc ve Statorials \u00f6\u011fretmenine d\u00f6n\u00fc\u015ft\u00fcm. \u0130statistik alan\u0131ndaki kapsaml\u0131 deneyimim ve uzmanl\u0131\u011f\u0131mla, \u00f6\u011frencilerimi Statorials arac\u0131l\u0131\u011f\u0131yla g\u00fc\u00e7lendirmek i\u00e7in bilgilerimi payla\u015fmaya can at\u0131yorum. 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