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Please predict whether this patent is acceptable.PATENT ABSTRACT: A unit type selection may be obtained and a training data set may be determined based on the unit type. A plurality of real estate value estimating neural networks may be trained using the training data set. A testing data set may be determined based on the unit type and the plurality of real estate value estimating neural networks may be tested on the testing data set. Based on the testing, a subset of the best performing neural networks may be selected to create a set of real estate value estimating neural networks. Each neural network in the set of real estate value estimating neural networks may be retrained on the worst performing subset of the training data set for the respective neural network.