形式概念にもとづく質的分析

概要

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Public opinion polls and most of social researches collect data on discrimination of right and wrong, a feeling of satisfaction and its degree, etc, which are qualitative data obtained from subjective judgments. The data are converted into nominal or ordinal scale data, and the resulting data are analyzed by statistical quantitative methods. This paper presents the application of formal concept analysis, not quantitative analysis, as a method of qualitative comparative analysis. The method focuses on concepts that are definable by conjunctions of properties, and makes it possible not only to classify data based on formal concepts, but also to clarify dependency relations among attributes. In order to demonstrate the usefulness and clarity of the method, several examples are illustrated, and formal concept analysis is compared with cluster analysis and Boolean approach, and discussed in a framework of classifying data.
札幌学院大学の論文
2004-12-27