Discriminant versus rough sets approach to vague data analysis
作者:
Ewa Krusińska,
Roman Slowinski,
Jerzy Stefanowski,
期刊:
Applied Stochastic Models and Data Analysis
(WILEY Available online 1992)
卷期:
Volume 8,
issue 1
页码: 43-56
ISSN:8755-0024
年代: 1992
DOI:10.1002/asm.3150080107
出版商: John Wiley&Sons, Ltd.
关键词: Rough sets theory;Discriminant analysis;Location model;Data analysis;Information system
数据来源: WILEY
摘要:
AbstractThis paper presents a comparative study of the use of two different methods of data analysis on a common set of data. The first is a method based on rough sets theory and the second is the location model method from the field of discriminant analysis. To investigate the comparative performance of these methods, a set of real medical data has been used. The data considered are of both discrete and continuous character. During the comparison, particular attention is paid to data reduction and to the derivation of decision rules and classification functions from the reduced set.
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