Table 8.

The list of Abbreviations,Symbols, and Signs.

Abbreviations/symbols/signs	Explanation
IFS	Intuitionistic Fuzzy Set
FRS	Fuzzy rough set
DIFDT	Dominant intuitionistic fuzzy decision table
IFRS	Intuitionistic fuzzy rough set
IFMGRS	Intuitionistic fuzzy multigranulation rough set
MI	Mutual information
PL+	Phsopholipidosis positive
PL-	Phsopholipidosis negative
IFIS	Intuitionistic fuzzy information system
RARF	RealAdaBoost random forest
TRP	True positive
TRN	True negative
FLP	False positive
FLN	False negative
Sn	Sensitivity
Sp	Specificity
Ac	Accuracy
AUC	Area under curve
MCC	Mathews correlation coefficient
ROC	Receiver operating characteristic
SMO	Sequential minimal optimization
IBK	Instance based learner
FSFrMI	Feature selection based on fuzzy rough mutual information
GIFRFS	Granular structure based intuitionistic fuzzy rough feature selection
TIFRFS	Tolrence based fuzzy rough feature selection
FRFS	Fuzzy rough feature selection
IFRFSMI	Intuitionistic fuzzy rough feature selection based on mutual information
$\mu$	Membership grade
$\nu$	Non-membership grade
$\varphi$	Hesitancy grade
$R_a^h$	Hybrid similarity relation
${\zeta }_a$	Adaptive intuitionistic fuzzy radius
ET	Entropy
I	Mutual information
$\sum$	Summation
$\cup$	Union
$\cap$	Intersection
$ϵ$	Epsilon
$\forall$	Forall
$\in$	Belong
$\mathrm{\Omega }$	Significance