{"id":159,"date":"2023-08-04T19:44:00","date_gmt":"2023-08-04T19:44:00","guid":{"rendered":"https:\/\/statorials.org\/tr\/ikili-degisken-1\/"},"modified":"2023-08-04T19:44:00","modified_gmt":"2023-08-04T19:44:00","slug":"ikili-degisken-1","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/ikili-degisken-1\/","title":{"rendered":"I\u0307kili de\u011fi\u015fken"},"content":{"rendered":"

Bu makalede ikili de\u011fi\u015fkenlerin ne oldu\u011fu a\u00e7\u0131klanmaktad\u0131r. B\u00f6ylece istatistikte kukla de\u011fi\u015fkenin ne anlama geldi\u011fini, kukla de\u011fi\u015fken \u00f6rneklerini ve kukla de\u011fi\u015fken ile do\u011frusal regresyon aras\u0131ndaki ili\u015fkiyi \u00f6\u011freneceksiniz. <\/p>\n

<\/span> Dikotom de\u011fi\u015fken nedir?<\/span><\/h2>\n

\u0130statistikte ikili de\u011fi\u015fken<\/strong> yaln\u0131zca iki de\u011fer alabilen bir de\u011fi\u015fkendir. Bu nedenle, ikili bir de\u011fi\u015fken yaln\u0131zca 1 veya 0 de\u011ferine sahip olabilir ve her de\u011fer, iki olas\u0131 se\u00e7enekten birine kar\u015f\u0131l\u0131k gelir.<\/p>\n

\u00d6rne\u011fin, bir ki\u015finin cinsiyeti ikili bir de\u011fi\u015fkendir \u00e7\u00fcnk\u00fc yaln\u0131zca erkek veya kad\u0131n olabilir.<\/p>\n

\u0130kili de\u011fi\u015fkenlere ikili de\u011fi\u015fkenler<\/strong> de denir.<\/p>\n

Ek olarak ikili de\u011fi\u015fken, istatistiksel de\u011fi\u015fkenin \u00f6zel bir t\u00fcr\u00fcd\u00fcr \u00e7\u00fcnk\u00fc hem kategorik de\u011fi\u015fken hem de niteliksel de\u011fi\u015fken olarak s\u0131n\u0131fland\u0131r\u0131labilir.<\/p>\n

Son olarak, ikili de\u011fi\u015fkenin anlam\u0131n\u0131 hat\u0131rlaman\u0131za yard\u0131mc\u0131 olmak i\u00e7in s\u00f6zc\u00fck, Yunanca’da iki<\/em> anlam\u0131na gelen di-<\/em> \u00f6nekinden gelir. <\/p>\n

<\/span> \u0130kili de\u011fi\u015fken \u00f6rnekleri<\/span><\/h2>\n

\u0130kili de\u011fi\u015fkenin tan\u0131m\u0131n\u0131 g\u00f6rd\u00fckten sonra, kavram\u0131 anlamay\u0131 tamamlamak i\u00e7in bu t\u00fcr de\u011fi\u015fkenin birka\u00e7 \u00f6rne\u011fini g\u00f6rece\u011fiz.<\/p>\n

    \n
  • Bir deneyin sonucu<\/strong> : “ba\u015far\u0131l\u0131” veya “ba\u015far\u0131s\u0131z” olabilir.<\/span><\/li>\n
  • Bir ki\u015finin sa\u011fl\u0131k durumu<\/strong> : \u201csa\u011fl\u0131kl\u0131\u201d veya \u201chasta\u201d olabilir.<\/span><\/li>\n
  • S\u0131nav sonucu<\/strong> : Al\u0131nan not \u201cge\u00e7ti\u201d veya \u201cba\u015far\u0131s\u0131z\u201d olarak ikiye ayr\u0131labilir.<\/span><\/li>\n
  • Bir sorunun cevab\u0131<\/strong> : Soru “evet” ve “hay\u0131r” gibi yaln\u0131zca iki cevaba izin veriyorsa bu ikili bir de\u011fi\u015fkendir.<\/span><\/li>\n
  • Bir ki\u015finin tek \u00e7ocuk olup olmad\u0131\u011f\u0131<\/strong> : Ki\u015finin hi\u00e7 karde\u015fi yoksa ikili de\u011fi\u015fken 0, aksi halde ikili de\u011fi\u015fken 1’dir.<\/span><\/li>\n
  • Bir kitab\u0131n okunup okunmad\u0131\u011f\u0131 ger\u00e7e\u011fi<\/strong> : \u201cokunmu\u015f\u201d veya \u201cokunmam\u0131\u015f\u201d olabilir.<\/span><\/li>\n
  • Bir araban\u0131n at\u00f6lyedeki durumu<\/strong> : “tamir edilmi\u015f” veya “tamir edilmemi\u015f” olabilir.<\/span><\/li>\n
  • Beraberli\u011fin sonucu<\/strong> : Yaln\u0131zca “tura” veya “yaz\u0131” olabilir.<\/span><\/li>\n<\/ul>\n

    S\u00fcrekli de\u011fi\u015fkenlerin de dikotomize edilebilece\u011fini unutmay\u0131n. \u00d6rne\u011fin, s\u00fcrekli bir de\u011fi\u015fken olan bir grup insan\u0131n b\u00fcy\u00fckl\u00fc\u011f\u00fc, yaln\u0131zca iki de\u011fere izin verilmesi durumunda ikili bir de\u011fi\u015fkene d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilir: “1,80 m’den fazla” veya “1,80 m’den az veya ona e\u015fit”.<\/p>\n

    <\/span> Dichotomous ve polytomous de\u011fi\u015fken<\/span><\/h2>\n

    Bu b\u00f6l\u00fcmde \u00e7ok kategorili de\u011fi\u015fkenin ne oldu\u011funu ve ikili de\u011fi\u015fkenden nas\u0131l farkl\u0131 oldu\u011funu g\u00f6rece\u011fiz.<\/p>\n

    \u00c7ok kategorili de\u011fi\u015fken,<\/strong> \u00fc\u00e7 veya daha fazla de\u011fer alabilen bir de\u011fi\u015fken t\u00fcr\u00fcd\u00fcr. \u00d6rne\u011fin, bir ki\u015finin en sevdi\u011fi renk \u00e7ok gruplu bir de\u011fi\u015fkendir \u00e7\u00fcnk\u00fc “sar\u0131”, “k\u0131rm\u0131z\u0131”, “ye\u015fil”, “mavi”, “mor” vb. olabilir.<\/p>\n

    K\u0131sacas\u0131 bu iki t\u00fcr de\u011fi\u015fken, alabilecekleri de\u011fer say\u0131s\u0131 bak\u0131m\u0131ndan temel olarak farkl\u0131l\u0131k g\u00f6sterir. <\/p>\n

    <\/span> Do\u011frusal regresyonda ikili de\u011fi\u015fken<\/span><\/h2>\n

    \u0130statistikte kukla de\u011fi\u015fkenler \u00e7ok kullan\u0131\u015fl\u0131d\u0131r \u00e7\u00fcnk\u00fc nominal verilerin numaraland\u0131r\u0131lmas\u0131na izin verirler. \u00d6rne\u011fin, nominal verileri do\u011frusal bir regresyona dahil etmek i\u00e7in kukla de\u011fi\u015fkenler kullan\u0131l\u0131r.<\/p>\n

    Dolay\u0131s\u0131yla, e\u011fer bir ki\u015finin erkek ya da kad\u0131n olmas\u0131n\u0131n deneyin sonucunu etkileyip etkilemedi\u011fini ara\u015ft\u0131rmak istiyorsak, bu \u00f6zelli\u011fi do\u011frusal regresyon modeline dahil etmek i\u00e7in kukla bir de\u011fi\u015fken kullanabiliriz (0 = erkek ve 1=kad\u0131n) Verileri kad\u0131n veya erkek olmalar\u0131na g\u00f6re ay\u0131r\u0131n.<\/p>\n

    Ek olarak, ikiden fazla olas\u0131 kategorisi olan niteliksel bir de\u011fi\u015fken, birden fazla kukla de\u011fi\u015fken kullan\u0131larak modellenebilir. Spesifik olarak, niteliksel de\u011fi\u015fkenin m<\/em> kategorisi varsa, do\u011frusal regresyon modelinin t\u00fcm se\u00e7eneklerini i\u00e7erecek \u015fekilde m-1<\/em> kukla de\u011fi\u015fken eklenmelidir.<\/p>\n

    Do\u011frusal regresyon hakk\u0131nda daha fazla bilgi edinmek i\u00e7in web sitemizdeki yaz\u0131m\u0131za g\u00f6z atabilirsiniz.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Bu makalede ikili de\u011fi\u015fkenlerin ne oldu\u011fu a\u00e7\u0131klanmaktad\u0131r. B\u00f6ylece istatistikte kukla de\u011fi\u015fkenin ne anlama geldi\u011fini, kukla de\u011fi\u015fken \u00f6rneklerini ve kukla de\u011fi\u015fken ile do\u011frusal regresyon aras\u0131ndaki ili\u015fkiyi \u00f6\u011freneceksiniz. Dikotom de\u011fi\u015fken nedir? \u0130statistikte ikili de\u011fi\u015fken yaln\u0131zca iki de\u011fer alabilen bir de\u011fi\u015fkendir. Bu nedenle, ikili bir de\u011fi\u015fken yaln\u0131zca 1 veya 0 de\u011ferine sahip olabilir ve her de\u011fer, iki olas\u0131 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-159","post","type-post","status-publish","format-standard","hentry","category-istatistik"],"yoast_head":"\n\u25b7 \u0130kili de\u011fi\u015fken nedir? 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