Table 8 The list of Abbreviations,Symbols, and Signs.

From: Hybrid similarity relation based mutual information for feature selection in intuitionistic fuzzy rough framework and its applications

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

\(\phi \)

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

\(\epsilon \)

Epsilon

\(\forall \)

Forall

\(\in \)

Belong

\(\Omega \)

Significance