Results from the discriminant function analysis comparing the barking calls from male Australian sea lions
| Acoustic variable . | Root 1 . | Root 2 . |
|---|---|---|
| Dur | –0.730 | 0.704 |
| Interval Dur | 0.627 | 0.822 |
| Peak 1 | –0.238 | –0.068 |
| Peak 2 | –0.065 | 0.090 |
| RAMP | 0.064 | 0.122 |
| Eigenvalue | 4.426 | 1.394 |
| Cumulative proportion | 0.724 | 0.951 |
| Acoustic variable . | Root 1 . | Root 2 . |
|---|---|---|
| Dur | –0.730 | 0.704 |
| Interval Dur | 0.627 | 0.822 |
| Peak 1 | –0.238 | –0.068 |
| Peak 2 | –0.065 | 0.090 |
| RAMP | 0.064 | 0.122 |
| Eigenvalue | 4.426 | 1.394 |
| Cumulative proportion | 0.724 | 0.951 |
Dur, total duration of the barking call; Interval Dur, duration between barking calls; Peak 1 and 2, frequency value of the first and second maximum peak in amplitude, respectively; RAMP, ratio of the amplitude values of Peak 1 to Peak 2