Comparison of time series forecasting with artificial neural network and statistical approach

Michael Štencl, Ondřej Popelka and Jiří Šťastný
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Michael Štencl: Ústav informatiky, Mendelova univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika
Ondřej Popelka: Ústav informatiky, Mendelova univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika
Jiří Šťastný: Ústav informatiky, Mendelova univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2011, vol. 59, issue 2, 347-352

Abstract: In this paper we concentrate on prediction of future values based on the past course of a variable. Traditionally this problem is solved using statistical analysis - first a time-series model is constructed and then statistical prediction algorithms are applied to it in order to obtain future values. The time series modelling is a very powerful method, but it requires knowledge or discovery of initial conditions when constructing the model.The experiment described in this paper consists of a comparison of results computed by Multi-layer perceptron network with different learning algorithms previously published and results computed with different types of ARMA models. For the network configuration an analytical approach has been applied through the cross-validation method. We performed an exact comparison of both approaches on real-world data set. Results of two types of artificial neural network learning algorithms are compared with two algorithms of statistical prediction of future values.The experiment results are later discussed from several different points. First the comparison is focused on output precision of both approaches. The comparison consists of matching neural networks results and real values on few steps of prediction. Then the results of ARMA models are compared with real values and conclusion is made. The conclusion also includes theoretical and practical recommendations.

Keywords: artificial neural networks; time series forecasting; statistical approach; comparison study (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:mup:actaun:actaun_2011059020347

DOI: 10.11118/actaun201159020347

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