Exploring the usage of econometric techniques in nonlinear machine learning and data mining Online publication date: Sat, 03-Sep-2016
by P. Lakshmi; S. Visalakshmi
International Journal of Mathematics in Operational Research (IJMOR), Vol. 9, No. 3, 2016
Abstract: The present study, investigates the inter-linkage of the Indian spot market with other global markets and the predictability of S&P CNX NIFTY Index returns with a set of five new international market returns as input variables in artificial neural networks (ANNs). Identifying the right set of exogenous input variables using conventional techniques like OLS, Granger causality and cross correlation substantially increased the predictability of financial time series like stock return in the Indian context. The performance of the ANN model in forecasting NIFTY index returns is evaluated by comparing it for different sample periods in terms of forecasting error functions with statistical measures like mean absolute error, root mean square error, mean absolute percentage error and mean square error. The findings suggest that higher accuracy of the predictive power of neural network is largely influenced by the input variables.
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