During a financial technique, functional representations of financial histories of users are exchanged between electronic devices, where a given functional representation specifies one or more output values based on input values. Then, one of the electronic devices identifies a subset of the group of functional representations having at least a common characteristic. For example, the characteristic may include a wide variety of attributes, such as a mathematical feature in the functional representations, a financial performance metric associated with the functional representations, a behavior relationship specified by the functional relationships, and/or a range of the one or more output values specified by the functional representations. This electronic device may provide information associated with the subset of the group of functional representations (such as an average functional representation of the subset) to the other electronic devices.
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