LSTM ve Facebook Prophet Kullanarak Brent Ham Petrol Trendinin Tahmini

Öz

Ham petrol ve petrol ürünleri, endüstriyel üretimin önemli girdileri arasında olduğu kadar lojistik ve taşımacılıkta da kritik bir rol oynamaktadır. Dolayısıyla, petrol fiyatlarındaki ani artışlar ve düşüşler küresel ekonomilerde ve dahası ekonomiler üzerinde doğrudan veya dolaylı bir etkisi vardır. Ayrıca, gelişmekte olan ekonomilerdeki krizler, büyük ekonomiler arasındaki ticaret anlaşmazlıkları ve petrol fiyatının dinamik doğası, petrol arz ve talebi üzerinde etkisi olmaktadır ve petrol fiyatında zaman zaman oynaklık çok sert olmaktadır. Petrol fiyatlarındaki bu belirsizlikler hem tüketicilere hem de üreticilere ağır potansiyel kayıplar yaratabilmektedir. Bu hızlı değişkenlik ve dalgalanma nedeniyle petrol fiyatlarının tahmin edilmesi küresel öneme sahiptir. Bu çalışmada, Brent Petrol fiyatlarının gelecekteki trendini tahmin edilebilmek için geçmiş değerleri girdi alan Uzun Kısa Süreli Bellek (LSTM) ve Facebook Prophet (FBPr) yöntemleri kullanılmıştır. İki modelin petrol fiyatları için Haziran 1988 ile Haziran 2020 arasında haftalık 32 yıllık veri seti kullanılarak karşılaştırılmış ve en uygun model belirlenmiştir. Veri seti eğitim ve test setleri olmak üzere iki gruba ayrılmıştır; eğitim seti için ilk yirmi beş yıl seçilirken ve son yedi yıl ise tahmin doğruluğunu onaylamak için kullanılmıştır. LSTM ve FBPr modelleri için katsayı tayini (R2) eğitim aşamasında 0.92, 0.89 ve test aşamasında 0.89, 0.62 bulunmuştur. Elde edilen sonuçlar incelendiğinde, LSTM modelinin petrol fiyatlarındaki trendi tahmin etmek için daha iyi sonuç verdiği görülmüştür.

Anahtar Kelimeler

• Brent Petrol
• Tahmin Etme
• Derin Öğrenme
• LSTM
• Facebook Prophet

The Prediction of Brent Crude Oil Trend Using LSTM and Facebook Prophet

Öz

Crude oil and petroleum products are among the critical inputs of industrial production as well as they are having an important role in logistics and transportation. Hence, sudden increases and decreases in oil prices cause particular problems in global economies and thus; they have a direct or indirect effect on economies. Furthermore, due to crises in developing economies, trade disputes between major economies, and the dynamic nature of the oil price effect on demand and supply for oil and petroleum products, and time to time volatility in the oil price are very severe. The uncertainty in oil prices can leave both consumers and producers with heavy potential losses. Due to this rapid variability, predicting oil prices has global importance. In this study, to increase the accuracy and stability, the Long-Short Term Memory (LSTM) and Facebook's Prophet (FBPr) were applied to foresee future tendencies in Brent oil prices considering their previous prices. A comparison of the two models made using the 32-year data set between June 1988 and June 2020 weekly for oil prices, and the model with the best fit was determined. The dataset was split into two sets which are training and test sets—the first twenty-five years used for the training set and the last seven years validating forecasting accuracy. The coefficient determination (R2) for the LSTM and FBPr models found as 0.92, 0.89 in the training stage, and 0.89, 0.62 in the testing stage, respectively. According to the results obtained, the LSTM model has superior results to predict the trend of oil prices.

Anahtar Kelimeler

• Brent Oil
• Forecasting
• Deep Learning

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