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  Citation Number 2
 Views 15
 Downloands 3
TÜRKİYE’DE BAZI TEMEL GIDA FİYATLARI İÇİN YAPAY SİNİR AĞLARI VE ZAMAN SERİSİ TAHMİN MODELLERİNİN KARŞILAŞTIRMALI ANALİZİ
2016
Journal:  
Kafkas Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi
Author:  
Abstract:

Bu çalışmada temel gıda olarak buğday arpa ve çeltik ürünleri ele alınmış, bu ürünlerin fiyatları Türkiye İstatistik Kurumu veritabanından 2000-2014 yılları arası için aylık bazda temin edilmiştir. Bu veriler öncelikle analiz edilerek verilerin yapısı belirlenmiştir. Veriler bir trend içermekte ancak düzenli bir mevsimsellik gözlenmemektedir. Bu durumda öncelikle geleneksel zaman serisi analiz yöntemlerinden verilerimize uygulanabilecek olan trend analizi, Holt üstel düzleştirme yöntemi ve mevsimsel olmayan Box-Jenkins (ARIMA) modelleri uygulanmış, ardından yapay sinir ağı ile zaman serisi modellemesi bilgisayar programı (Matlab Neural Network Toolbox) yardımıyla gerçekleştirilmiştir. Sonuç olarak hata oranları (MSE) karşılaştırılmış, buğday ve arpa fiyatları veri setleri için Holt üstel düzleştirme, ARIMA ve YSA modelleri birbirine yakın sonuçlar vermiştir. Çeltik fiyatları için ise YSA modeli daha iyi sonuç vermiştir.

Keywords:

comparison of artificial nerve networks and time series forecast models for some basic food prices in turkey
2016
Author:  
Abstract:

the prices of these products, which are mainly discussed wheat barley and paddytic products as food in this study, are provided on monthly basis for 20002014 from the turkish statistical institute database, these data are primarily analyzed and the structure of the data is identified, but a regular seasonality is not observed, in this case, the trend analysis, which can be applied to our data from traditional time-series analysis methods, and non-seasoned boxgenkins bees, followed by artificial nervous network, when series modeling computer program matlabural networkboxes were performed with the help of error models, and the results were taken to beardrate prices, if there were corrected to beardrate the better prices and the prices for the results of the results of the high quantifications

Keywords:

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Kafkas Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi

Field :   Sosyal, Beşeri ve İdari Bilimler

Journal Type :   Ulusal

Metrics
Article : 462
Cite : 1.738
2023 Impact : 0.307
Kafkas Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi