2016
DOI: 10.24200/sci.2016.2164
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Improving the Accuracy of K-Nearest Neighbour Method in Long Lead Hydrological Forecasting

Abstract: The nonparametric regression method of K-Nearest Neighbour (K-NN) has been used in a variety of eco-hydrological issues. In this study, some techniques were presented to improve the accuracy of the K-NN method in forecasting accumulated 9month in ow, from 1971 to 2001, of Zayandeh-rud dam in Iran, from winter to the end of the following summer. The considered improving techniques consisted of: 1) selecting the best data preprocessing functions, 2) selecting the best number of neighbours, 3) selecting the best … Show more

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