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Speakers’ age estimation results
| Regression method | Mean absolute error (years) | Correlation coefficient (ρ) |
|---|---|---|
| I-vector–WCCN–SVR [16] | 6.0 | 0.77b |
| Supervector–SVR | 7.75 | 0.66a |
| I-vector–SVR | 7.87 | 0.63a |
aThese values are significant beyond the 0.01 level of confidence
bLevel of confidence is not reported
