Data analysis apparatus and data analysis method

Abstract

A data analysis apparatus according to the present invention includes an extractor configured to extract, regarding a first feature amount among a plurality of feature amounts as an objective variable, a second feature amount having a linear relation or a nonlinear relation with the first feature amount as an explanatory variable by using analysis-target data that is sampled for the feature amounts. An adjuster is configured to set a node of base conversion for the second feature amount based on a significant difference between a linear regression result obtained by linear regression of the second feature amount and a nonlinear regression result obtained by nonlinear regression of the second feature amount. An analyzer is configured to divide the second feature amount based on the node set by the adjuster and perform regression analysis to generate a regression equation that represents the objective variable by the explanatory variable.

Dependencies are inferred from the claim text.