Table 1.
UCI Dataset used in the research (Little, 2008).
| Voice measure | Meaning |
|---|---|
| Name | ASCII name of subject and recording number (categorical variables). |
| MDVP:Fo(Hz) | Average vocal fundamental frequency (Numerical variables). |
| MDVP:Fhi(Hz) | Maximum vocal fundamental frequency (Numerical variables). |
| MDVP:Flo(Hz) | Minimum vocal fundamental frequency (Numerical variables). |
| MDVP:Jitter(%) | |
| MDVP:Jitter(Abs) | |
| MDVP: RAP | Several measures of variation in fundamental frequency (Numerical variables). |
| MDVP: PPQ | |
| Jitter:DDP | |
| MDVP:Shimmer | |
| MDVP:Shimmer(dB) | |
| Shimmer: APQ3 | Several measures of variation in amplitude (Numerical variables). |
| Shimmer: APQ5 | |
| MDVP: APQ | |
| Shimmer:DDA | |
| NHR | Measures of the ratio of noise to tonal components in |
| HNR | the voice (Numerical variables). |
| status | 0 for HC and 1 for PD (Numerical variables). |
| RPDE | Nonlinear dynamical complexity measures (Numerical variables). |
| D2 | |
| DFA | Signal fractal scaling exponent (Numerical variables). |
| spread1 | |
| spread2 | Nonlinear measures of fundamental frequency variation (Numerical variables). |
| PPE |