{"id":15425,"date":"2025-07-15T13:34:53","date_gmt":"2025-07-15T13:34:53","guid":{"rendered":"https:\/\/functiontranslator.com\/tahmin-dogrusal\/"},"modified":"2021-02-25T16:27:17","modified_gmt":"2021-02-25T16:27:17","slug":"forecast-linear","status":"publish","type":"post","link":"https:\/\/functiontranslator.com\/tr\/forecast-linear\/","title":{"rendered":"TAHM\u0130N.DO\u011eRUSAL"},"content":{"rendered":"

‘TAHM\u0130N.DO\u011eRUSAL’<\/strong> fonksiyonu, bilinen y de\u011ferleri ile x de\u011ferleri aras\u0131ndaki ili\u015fkiyi temel alarak yeni y de\u011ferlerini tahmin etmek i\u00e7in kullan\u0131l\u0131r. Excel ve Google Sheets’te s\u0131kl\u0131kla do\u011frusal regresyon analizi amac\u0131yla kullan\u0131lan bu fonksiyon, belirli bir x de\u011feri i\u00e7in y’nin tahmini de\u011ferini hesaplar.<\/p>\n

Syntax ve \u00d6rnekler<\/h2>\n

Excel ve Google Sheets’te bu fonksiyonun genel s\u00f6z dizimi \u015f\u00f6yledir:<\/p>\n

=TAHM\u0130N.DO\u011eRUSAL(x, bilinen_y'ler, bilinen_x'ler)<\/code><\/pre>\n
    \n
  • x<\/strong>: Tahmin edilecek y de\u011feri i\u00e7in kullan\u0131lan x de\u011feridir.<\/li>\n
  • bilinen_y’ler<\/strong>: Bilinen y de\u011ferlerini i\u00e7eren dizi veya h\u00fccre aral\u0131\u011f\u0131d\u0131r.<\/li>\n
  • bilinen_x’ler<\/strong>: Bilinen x de\u011ferlerini i\u00e7eren dizi veya h\u00fccre aral\u0131\u011f\u0131d\u0131r.<\/li>\n<\/ul>\n
    A\u015fa\u011f\u0131da, bir ma\u011faza i\u00e7in ayl\u0131k sat\u0131\u015flar\u0131n reklam harcamalar\u0131na g\u00f6re tahmin edilmesi \u00f6rne\u011fi verilmi\u015ftir:<\/p>\n\n\n\n\n\n
    Ay<\/th>\nReklam Harcamas\u0131 (x)<\/th>\nSat\u0131\u015flar (y)<\/th>\n<\/tr>\n
    Ocak<\/td>\n5000<\/td>\n65000<\/td>\n<\/tr>\n
    \u015eubat<\/td>\n8000<\/td>\n89000<\/td>\n<\/tr>\n
    Mart<\/td>\n6500<\/td>\n78000<\/td>\n<\/tr>\n<\/table>\n
    Reklam harcamas\u0131 olarak 9000 TL yap\u0131ld\u0131\u011f\u0131nda tahmini sat\u0131\u015flar\u0131 hesaplamak i\u00e7in a\u015fa\u011f\u0131daki form\u00fcl kullan\u0131l\u0131r:<\/p>\n
    =TAHM\u0130N.DO\u011eRUSAL(9000, B2:B4, C2:C4)<\/code><\/pre>\n
    Pratik Uygulamalar<\/h2>\n
    Senaryo 1:<\/strong> Emlak de\u011ferlerinin zaman i\u00e7inde nas\u0131l de\u011fi\u015fti\u011fini tahmin etmek.<\/p>\n
    Son 5 y\u0131l\u0131n emlak sat\u0131\u015f fiyatlar\u0131na dayanarak gelecek y\u0131l i\u00e7in emlak fiyat\u0131 tahmini yapmak istiyorsan\u0131z:<\/p>\n
    =TAHM\u0130N.DO\u011eRUSAL(gelecek_y\u0131l, ge\u00e7mi\u015f_y\u0131llar\u0131n_fiyatlar\u0131, ge\u00e7mi\u015f_y\u0131llar)<\/code><\/pre>\n
    Not:<\/strong> “gelecek_y\u0131l” gelecek y\u0131l i\u00e7in tahmin yap\u0131lacak y\u0131l say\u0131s\u0131n\u0131, “ge\u00e7mi\u015f_y\u0131llar\u0131n_fiyatlar\u0131” ve “ge\u00e7mi\u015f_y\u0131llar” ise ge\u00e7mi\u015f y\u0131llara ait sat\u0131\u015f fiyatlar\u0131 ve y\u0131llar\u0131 ifade eder.<\/p>\n
    Senaryo 2:<\/strong> Bir \u00f6\u011frencinin gelecek d\u00f6nemlerdeki ba\u015far\u0131s\u0131n\u0131 tahmin etmek.<\/p>\n
    \u00d6\u011frencinin ge\u00e7mi\u015f d\u00f6nem notlar\u0131 ve d\u00f6nem say\u0131lar\u0131na g\u00f6re gelecek d\u00f6nemdeki performans\u0131n\u0131 tahmin etmek i\u00e7in:<\/p>\n
    =TAHM\u0130N.DO\u011eRUSAL(tahmin_edilen_d\u00f6nem, bilinen_notlar, bilinen_d\u00f6nemler)<\/code><\/pre>\n
    Not:<\/strong> “tahmin_edilen_d\u00f6nem” \u00f6\u011frencinin hangi d\u00f6nem i\u00e7in not tahmini yap\u0131ld\u0131\u011f\u0131n\u0131, “bilinen_notlar” \u00f6\u011frencinin ge\u00e7mi\u015f d\u00f6nem notlar\u0131n\u0131, “bilinen_d\u00f6nemler” ise hangi d\u00f6nemlere ait oldu\u011funu belirtir.<\/p>\n","protected":false},"excerpt":{"rendered":"
    Mevcut de\u011ferleri temel alarak gelecekteki bir de\u011feri d\u00f6nd\u00fcr\u00fcr<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[582],"tags":[],"class_list":["post-15425","post","type-post","status-publish","format-standard","hentry","category-istatistik"],"acf":[],"yoast_head":"\nExcel'de FORECAST.LINEAR (TAHM\u0130N.DO\u011eRUSAL) Fonksiyonu: Nas\u0131l \u00c7al\u0131\u015f\u0131r, Kullan\u0131m \u00d6rnekleri<\/title>\n<meta name=\"description\" content=\"Excel ve Google E-Tablolar'da FORECAST.LINEAR (TAHM\u0130N.DO\u011eRUSAL) fonksiyonunun detayl\u0131 incelemesi. 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