as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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explain the concept behind a neural network.
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a neural network is a machine learning system that consists of layers of interconnected nodes, or neurons. each of these layers performs a specific tasks and passes the results to the next layer. the layers in the network combine the results from each layer to produce an overall result. a neural network is trained using a set of input data and has the ability to learn from the data and improve its performance over time.
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