Dysphonic Voice Pattern Analysis of Patients in Parkinson’s Disease Using Minimum Interclass Probability Risk Feature Selection and Bagging Ensemble Learning Methods

Table 4

Pearson correlation coefficients between the vocal features of MDVP:Shimmer, MDVP:Shimmer(dB), Shimmer:APQ3, Shimmer:APQ5, MDVP:APQ11, and Shimmer:DDA.

Features	MDVP:Shimmer	MDVP:Shimmer(dB)	Shimmer:APQ3	Shimmer:APQ5	MDVP:APQ11	Shimmer:DDA
MDVP:Shimmer	1	0.9873	0.9876	0.9828	0.9501	0.9876
MDVP:Shimmer(dB)	0.9873	1	0.9632	0.9738	0.961	0.9632
Shimmer:APQ3	0.9876	0.9632	1	0.9601	0.8966	1
Shimmer:APQ5	0.9828	0.9738	0.9601	1	0.9491	0.9601
MDVP:APQ11	0.9501	0.961	0.8966	0.9491	1	0.8966
Shimmer:DDA	0.9876	0.9632	1	0.9601	0.8966	1