From the statistics of data to the statistics of knowledge: Symbolic data analysis.
Billard, Lynne; Diday, Edwin (2003), From the statistics of data to the statistics of knowledge: Symbolic data analysis., Journal of the American Statistical Association, 98, 462, p. 470-487
TypeArticle accepté pour publication ou publié
Journal nameJournal of the American Statistical Association
Taylor & Francis
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Abstract (EN)Increasingly, datasets are so large they must be summarized in some fashion so that the resulting summary dataset is of a more manageable size, while still retaining as much knowledge inherent to the entire dataset as possible. One consequence of this situation is that the data may no longer be formatted as single values such as is the case for classical data, but rather may be represented by lists, intervals, distributions, and the like. These summarized data are examples of symbolic data. This article looks at the concept of symbolic data in general, and then attempts to review the methods currently available to analyze such data. It quickly becomes clear that the range of methodologies available draws analogies with developments before 1900 that formed a foundation for the inferential statistics of the 1900s, methods largely limited to small (by comparison) datasets and classical data formats. The scarcity of available methodologies for symbolic data also becomes clear and so draws attention to an enormous need for the development of a vast catalog (so to speak) of new symbolic methodologies along with rigorous mathematical and statistical foundational work for these methods.
Subjects / KeywordsStatistiques; Analyse des données
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