TABLE III.

Acoustic variable loadings for PCA components of tonal screams.

	COMPONENTS (Cum. VAF = 84.21%)
ACOUSTIC VARIABLES	1 = Freq. Range Eigenvalue = 5.16 VAF = 28.66%	2 = Fundamental Freq. Eigenvalue = 3.57 VAF = 19.85%	3 = Dur. & Modularity Eigenvalue = 2.23 VAF = 12.36%	4 = Start Slope Eigenvalue = 1.84 VAF = 10.21%	5 = Peak Location Eigenvalue = 1.31 VAF = 7.26%	6 = Final Slope Eigenvalue = 1.06 VAF = 5.87%
Frequency Range	0.88	0.21	0.30	0.20	−0.06	−0.04
Maximum / Mean	0.87	−0.13	0.19	−0.25	0.02	0.07
Maximum Frequency	0.69	0.64	0.25	−0.03	−0.07	−0.05
Mean Frequency	0.12	0.94	0.07	0.14	−0.11	−0.10
Peak Amplitude Freq.	0.04	0.85	0.11	0.30	−0.11	−0.15
End Frequency	−0.10	0.82	0.07	−0.11	0.29	0.22
Minimum Frequency	−0.33	0.79	−0.09	−0.41	−0.02	−0.03
Start Frequency	0.30	0.56	−0.10	−0.53	−0.38	0.02
Duration	0.02	0.01	0.92	0.01	−0.02	0.01
Jitter Factor	0.58	0.04	0.75	0.07	0.12	0.03
Coefficient Modularity	0.53	0.36	0.67	0.16	0.03	0.02
Start Slope	−0.16	0.16	0.03	0.84	0.19	0.07
Mean / Minimum	0.46	−0.10	0.08	0.71	−0.03	0.00
Location of Min. Freq.	−0.07	0.00	−0.02	−0.05	−0.80	0.17
Location of Max. Freq.	−0.13	−0.03	0.00	0.12	0.70	0.12
Mid Slope	−0.07	0.05	0.10	−0.26	0.26	−0.84
Final Slope	−0.16	−0.03	0.23	−0.32	0.39	0.72

Abbreviations: VAF= variance accounted for. Significant loadings (>0.55) are printed in bold type.