Predicting the Wild Salmon Production Using Bayesian Networks Kimmo Valtonen, Tommi Mononen, Petri Myllym¨ aki, Henry Tirri, Jaakko Erkinaro, Erkki Jokikokko, Sakari Kuikka, Atso Romakkaniemi, Lars Karlsson and Ingemar Per¨ a December 22, 2002 HIIT TECHNICAL REPORT 2002–7