Development of TOPSIS Technique under Pythagorean Fuzzy Hypersoft Environment Based on Correlation Coefficient and Its Application towards the Selection of Antivirus Mask in COVID-19 Pandemic

Table 9

Comparative analysis between some existing techniques and the proposed approach.

	Set	Truthiness	Falsity	Attributes	Subattributes	Advantages
Zadeh [1]	FS	✓	×	✓	×	Deals uncertainty by using fuzzy interval
Zhang et al. [62]	IFS	✓	✓	✓	×	Deals uncertainty by using MD and NMD
Yager [7]	PFS	✓	✓	✓	×	Deals more uncertainty by using MD and NMD compared to IFS
Maji et al. [21]	FSS	✓	×	✓	×	Deals uncertainty by using fuzzy interval with their parameterization
Maji et al. [22]	IFSS	✓	✓	✓	×	Deals more uncertainty by using MD and NMD with their parameterization
Peng et al. [31]	PFSS	✓	✓	✓	×	Deals more uncertainty comparative to IFSS
Zulqarnain et al. [56]	IFHSS	✓	✓	✓	✓	Deals uncertainty of multi-subattributes by using MD and NMD
Proposed approach	PFHSS	✓	✓	✓	✓	Deals more uncertainty compared to IFHSS