Original contributionBack-propagation algorithm which varies the number of hidden units
References (3)
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Learning representations by error propagation
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2021, Neural NetworksCitation Excerpt :However, neural networks present several problems. Choosing the hyperparameters of NNs still depends mostly on an exploratory approach by trial and error, either for the learning algorithm parameters (Bengio, 2012) or for their structure topology like the needed number of layers, the number of hidden units per layer or their connections (Hirose et al., 1991; Ma & Khorasani, 2004; Weymaere & Martens, 1994), with genetic algorithms as an approach that has been explored to solve this (Leung et al., 2003). Another of their problems is that neural networks do not directly provide an estimate of the uncertainty produced in their predictions, which is of crucial importance in most of their applications, like flood predictions (Tiwari & Chatterjee, 2010), wind power forecasting (Wan et al., 2014) or molecular and atomic predictions (Musil et al., 2019).