PROBLEM TO BE SOLVED: To provide a compaction data preparation device capable of performing analysis by an arbitrary way using a plurality of numerical data, a compaction data preparation method, and a compaction data preparation program.;SOLUTION: A compaction data preparation device according to the present invention prepares compaction data from a plurality of numerical data including numerical information. A controller of the compaction data preparation device prepares compaction data by compacting a plurality of accounting data including actual classification information on actual classification to which numerical information actually belongs based on a main classification belonging to a specified layer among the main classification of a plurality of layers to which the actual classification can belong.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2018,JPO&INPIT
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