

![0_image_0.png](0_image_0.png)

Figure 5. SORST-R results on the Hydrocyclon data set: a) strength factor convergence (approximately); 
b) error measure variations along strength factor updating and c) 3-D column perspective of error measure- size of reduced objects 

## Reference

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[5] Pawlak, Z.1991. Rough Sets: *Theoretical Aspects Reasoning about Data*. Kluwer academic, Boston. 