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| \  / ||   / _ \\   /  ___||   / _ \\   | |/ // 
|  \/  ||  / //\ \\ | // __    | / \ ||  | ' //  
| .  . || |  ___  ||| \\_\ ||  | \_/ ||  | . \\  
|_|\/|_|| |_||  |_|| \____//    \___//   |_|\_\\ 
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Text this: Advantages of direct input-to-output connections in neural networks : the Elman network for stock index forecasting