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If a pair of objects belongs to D, then these two objects differ on at least one attribute.
ËÄ¡¢¡°the same accuracy and the same roughness are obtained for rough set X¡±ÊÇ·ñ¿ÉÒÔÐÞ¸ÄΪ¡°the same accuracy and roughness are obtained for rough set X¡±£¿
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the value obtained from the roughness measure by considering two factors of uncertainty is smaller than that by considering only one factor of uncertainty.
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the roughness measure considering two factors of uncertainty is smaller than that considering only one factor of uncertainty.
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Æß¡¢they can well characterize the uncertainty, while classical accuracy can not.
When a=b, F can still measure effectively the uncertainty of knowledge, while F¡¯ can not.
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the larger D is, the higher degree of consistency of the decision table is.
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Ê®¡¢Future work should focus on studying the relationships between the algorithm proposed in this paper and others, such as¡­.
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the degree of inconsistency of decision table A and B are the same.
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ʮһ¡¢¡°²â¶ÈAµÄʱ¼ä¸´ÔӶȵÍÓÚ²â¶ÈBºÍ²â¶ÈC¡±·­ÒëΪ£ºthe time complexity of the measure A is more efficient than the the measure B and the measure C.
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