@article {belayneh2016coupling, title = {Coupling machine learning methods with wavelet transforms and the bootstrap and boosting ensemble approaches for drought prediction}, journal = {Atmospheric research}, volume = {172}, year = {2016}, pages = {37{\textendash}47}, publisher = {Elsevier}, author = {Belayneh, A and Adamowski, J and Khalil, B and Quilty, J} }