A method for identifying bi-modal data comprises the steps of receiving a plurality of data inputs, constructing a histogram from the plurality of data inputs, computing a range of the plurality of data inputs, comparing the range of the plurality of data inputs to an expected non-repeatability of the plurality of data inputs, calculating a plurality of histogram frequencies if the range is not less than the expected non-repeatability, inputting the plurality of histogram frequencies and a plurality of precomputed weights into a learned vector quantization (LVQ) network, and outputting from the learned vector quantization a bimodal flag indicative of the bimodality of the plurality of data inputs.
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