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Revista Română de Informatică și Automatică / Vol. 34, Nr. 2, 2024


Predicting monthly gold prices in indian rupees using ARIMA, LSTM, GRU, and Simple Linear Regression models

Hanan ALJOHANI, Sawsan ALSHAMRANI, Nahla ALJOJO, Araek TASHKANDI, Tariq ALSAHFI

Rezumat:

For investors and financial analysts to make informed decisions, having precise forecasts of gold prices is crucial. This study examined the effectiveness of various time series models in predicting gold prices in Indian Rupeea variety of models, ranging from linear models like Auto Regressive Integrated Moving Average (ARIMA) and Simple Linear Regression, to more complex nonlinear models such as Long Short-Term Memory (LSTM) and Gated Recurrent Units (GRU) were utilised. In the study, a statistical technique was used to analyse the data collected over a twenty-year period, from January 2001 to December 2019. RMSE and MAPE were used to evaluate the models' performance. The Simple Linear Regression model achieved an RMSE value of 834.67 and a MAPE value of 2.22%, demonstrating its superior performance compared to the other models. The LSTM and GRU models achieved RMSE values of 1160.5 and 1214.8, respectively, suggesting comparable levels of performance. The MAPE values of the LSTM model and the GRU model differed by 2.96%, with the latter being 2.83%. On the other hand, the ARIMA model had a MAPE value of 22.9% and an RMSE value of 7121.1, which was noticeably lower than the previous model. Moreover, the results showed that both LSTM and GRU have the ability to capture non-linear correlations in the fluctuations of gold prices.

Cuvinte cheie:
Gold Price, ARIMA, RNN, LSTM, GRU, univariate time series.

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CITAREA ACESTUI ARTICOL SUNT URMĂTOARELE:
Hanan ALJOHANI, Sawsan ALSHAMRANI, Nahla ALJOJO, Araek TASHKANDI, Tariq ALSAHFI, „Predicting monthly gold prices in indian rupees using ARIMA, LSTM, GRU, and Simple Linear Regression models”, Revista Română de Informatică și Automatică, ISSN 1220-1758, vol. 34(2), pp. 35-47, 2024. https://doi.org/10.33436/v34i2y202403