Decision Support Methodology Based on Covering-Based Interval-Valued Pythagorean Fuzzy Rough Set Model and Its Application to Hospital Open-Source EHRs System Selection

Table 6

The lower and upper approximations.

	0.3	0.5	0.3	0.4	0.3	0.4
	0.4	0.7	0.4	0.5	0.4	0.5
	0.5	0.4	0.5	0.5	0.5	0.5
	0.5197	0.5	0.5197	0.5179	0.5197	0.5
	0.2623	0.2623	0.2623	0.2623	0.3972	0.2623
	0.3505	0.3	0.3505	0.3	0.3972	0.3
	0.5	0.5	0.5	0.5	0.4	0.5
	0.5197	0.7	0.5197	0.5179	0.5	0.5179