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  Citation Number 6
 Views 13
 Downloands 3
Yapay Sinir Ağları ve Destek Vektör Regresyonu ile Talep Tahmini: Gıda İşletmesinde Bir Uygulama
2021
Journal:  
Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi
Author:  
Abstract:

Son yıllarda, değişen ve küreselleşen koşullar insan ihtiyaçlarını değiştirerek hızlı değişikliklere ve talep belirsizliğine neden olmuştur. Bu hızlı değişim ve belirsiz koşullar altında işletmelerin etkin planlama yapmalarının yolu, doğru ve güvenilir tahminler yapmaktan geçmektedir. Günümüzde teknolojik gelişmelerle birlikte talep tahmininde zaman serileri analizi gibi klasik yöntemlerin yerini yapay zekâ tabanlı tahmin algoritmaları almıştır. Bu yöntemler özellikle belirsizliğin ve değişkenliğin çok fazla olduğu durumlarda klasik tahmin yöntemlerinden çok daha başarılı sonuçlar vermektedir. Bu çalışmada bir gıda işletmesinde değişkenliğin ve belirsizliğin fazla olduğu ürünler için Yapay Sinir Ağları (YSA) ve Destek Vektör Regresyonu (DVR) yöntemleri ile talep tahmini yapılmıştır. Yöntemler uygulanmadan önce parametre optimizasyonu amacıyla deney tasarımı yapılmış ve en iyi parametre değerleri bulunarak tahmin doğruluğu arttırılmıştır. Sayısal sonuçlar, incelenen ürünler için YSA’nın DVR’ye kıyasla daha iyi tahminler yaptığını göstermiştir.

Keywords:

Prognosis of demand with artificial nerve networks and support vector regression: an application in food business
2021
Author:  
Abstract:

In recent years, changing and globalized conditions have led to rapid changes and demand uncertainty by changing human needs. The way for to effectively plan under this rapid change and uncertain conditions is through making accurate and reliable predictions. Nowadays, with technological advances in demand forecast, classical methods such as time series analysis have been replaced by artificial intelligence-based forecast algorithms. These methods provide much more successful results, especially in cases where uncertainty and variability are too much than the classic prediction methods. In this study, demand for products with excess variability and uncertainty in a food enterprise was estimated by the Methods of Artificial Neural Networks (YSA) and Support Vector Regression (DVR). Experimental designs were made for parameters optimization before the methods were implemented and the accuracy of the forecast was increased by finding the best parameters. Numerical results showed that YSA made better forecasts for the products studied compared to DVR.

Keywords:

Demand Forecasting With Artificial Neural Networks and Support Vector Regression: An Application In A Food Company
2021
Author:  
Abstract:

In recent years, the changing and globalizing conditions caused the rapid changes and demand uncertainty by changing human needs. Under these rapid changes and uncertain conditions, the way for companies to make effective planning is to make accurate and reliable forecasting. As the technological developments increases artificial intelligence-based forecasting algorithms are widely used for demand forecasting instead of the classical methods such as time series analysis. These methods yield much more successful results than classical forecasting methods, especially in cases where the uncertainty and variability are high. In this study, Artificial Neural Networks (ANN) and Support Vector Regression (SVR) are employed to forecast the demands of the products with high variability and uncertainty in a food company. Before the methods were applied, an experimental design was conducted to find the best parameter values, and in this way, the accuracy of forecasts was increased. Numerical results showed that ANN makes better forecasts than SVR for the examined products.

Keywords:

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Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi

Field :   Mühendislik; Fen Bilimleri ve Matematik

Journal Type :   Ulusal

Metrics
Article : 441
Cite : 335
2023 Impact : 0.206
Dokuz Eylül Üniversitesi Mühendislik Fakültesi Fen ve Mühendislik Dergisi