Table 4. Mann-Whitney U results for comparisons between Mus musculus musculus (M.m.m.) and Mus musculus domesticus (M.m.d.) using all USV types combined and comparing within USV types.
All variables are shown for the combined analysis but only significant variables shown for the within call-type analysis.
| # Indiviudals | |||||||
|---|---|---|---|---|---|---|---|
| M.m.d. | M.m.m. | U | Standardized test statistic | P | SVM Classification | DFA Classification | |
| All USVs types combined | 27 | 201 | 88.04% | 79.4% | |||
| Duration | 3555.00 | 2.62 | 0.09 | ||||
| PC ENT | 3598.00 | 2.75 | 0.01 | ||||
| PC BAND | 2126.00 | -1.83 | 0.07 | ||||
| PC AMP | 2552.00 | -0.60 | 0.55 | ||||
| PC F1 | 1689.00 | -3.18 | 0.001 | ||||
| PC F2 | 1499.00 | -43.77 | <0.001 | ||||
| Frequency Upsweep | 4 | 40 | sample size too small for comparison | ||||
| Frequency Downsweep | 4 | 34 | sample size too small for comparison | ||||
| Constant Modulated | 4 | 40 | sample size too small for comparison | ||||
| U-Shaped | 4 | 36 | sample size too small for comparison | ||||
| U-Shaped Inverted | 4 | 28 | sample size too small for comparison | ||||
| 1-Frequency-Step | 4 | 19 | sample size too small for comparison | ||||
| 2-Frequency-Step | 3 | 4 | sample size too small for comparison | ||||