Correlation Measures of Dual Hesitant Fuzzy Sets

Table 1

Symptoms characteristic of the considered diagnoses.

	Temperature	Headache	Cough	Stomach pain	Chest pain
Viral fever	{(0.6, 0.4, 0.3), (0.2, 0.0)}	{(0.7, 0.5, 0.3, 0.2), (0.3, 0.1)}	{(0.5, 0.3), (0.5, 0.4, 0.2)}	{(0.5, 0.4, 0.3, 0.2, 0.1), (0.5,0.3)}	{(0.5, 0.4, 0.2, 0.1), (0.5, 0.4, 0.3)}
Malaria	{(0.9, 0.8, 0.7), (0.1, 0.0)}	{(0.5, 0.3, 0.2, 0.1), (0.4, 0.3)}	{(0.2, 0.1), (0.7, 0.6, 0.5)}	{(0.6, 0.5, 0.3, 0.2, 0.1), (0.3, 0.2)}	{(0.4, 0.3, 0.2, 0.1), (0.6, 0.5, 0.4)}
Typhoid	{(0.6, 0.3, 0.1), (0.3, 0.2)}	{(0.9, 0.8, 0.7, 0.6), (0.1, 0.0)}	{(0.5, 0.3), (0.5, 0.4, 0.3,)}	{(0.5, 0.4, 0.3, 0.2, 0.1), (0.5, 0.4)}	{(0.6, 0.4, 0.3, 0.2), (0.4, 0.3, 0.2)}
Stomach problem	{(0.5, 0.4, 0.2), (0.5, 0.3)}	{(0.4, 0.3, 0.2, 0.1), (0.4, 0.3)}	{(0.4, 0.3), (0.6, 0.5, 0.4)}	{(0.9, 0.8, 0.7, 0.6, 0.5), (0.1, 0.0)}	{(0.5, 0.4, 0.2, 0.1), (0.5, 0.4, 0.3)}
Chest problem	{(0.3, 0.2, 0.1), (0.7, 0.6)}	{(0.5, 0.3, 0.2, 0.1), (0.5, 0.3)}	{(0.3, 0.2), (0.6, 0.4, 0.3)}	{(0.7, 0.6, 0.5, 0.3, 0.2), (0.2, 0.1)}	{(0.8, 0.7, 0.6, 0.5), (0.2, 0.1, 0.0)}