SYSTEM AND METHOD FOR APPROXIMATING NUMERICAL FEATURES VIA CUBIC SPLINES AND APPLICATIONS THEREOF
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United States of America Patent
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Mar 2, 2023
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Aug 26, 2021
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Aug 26, 2021
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The present teaching relates to method, system, medium, and implementations for approximating a non-linear relationship between a numerical feature and an output of a model. A value of a numerical feature is received and is transformed, via a transform function, into a transformed value within a fixed range. With respect to each of a plurality of basis functions used for approximating the non-linear relationship, a respective basis function value of the basis function is computed based on the transformed value. An approximated value of the non-linear numeric feature is generated based on a sum of the plurality of basis function values weighted respectively by each corresponding one of a set of the weights, obtained via machine learning.
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