Table II.
Summary statistics of data used in experiments.
| Home | Event type | #Sensor events | #Anomalous sensor events |
|---|---|---|---|
| 2 | nocturia | 86,100 | 833 (0.97%) |
| 2 | nocturia | 94,457 | 891 (0.94%) |
| 2 | nocturia | 99,062 | 1,956 (1.97%) |
| 2 | nocturia | 94,148 | 1,857 (1.97%) |
| 5 | nocturia | 112,449 | 543 (0.48%) |
| 5 | nocturia | 113,533 | 186 (0.16%) |
| 2 | fall | 110,088 | 110 (0.01%) |
| 2 | fall | 135,112 | 65 (0.05%) |
| 4 | fall | 170,482 | 36 (0.02%) |
| 4 | fall | 165,035 | 96 (0.06%) |
| 3 | Depression (event: not sleeping well) | 45,311 | 114 (0.25%) |
| 3 | Depression (event: not sleeping well) | 50,708 | 41 (0.08%) |
| 3 | Depression (event: less time out of home) | 51,926 | 231 (0.44%) |
| 3 | Depression (event: less time out of home) | 51,926 | 15,895 (30.61%) |
| 3 | Depression (event: less time out of home) | 54,004 | 157 (0.29%) |
| 3 | Depression (event: less time out of home) | 220,415 | 12 (0.01%) |
| 1 | Depression (event: slower walking) | 63,980 | 394 (0.62%) |
| 1 | Depression (event: slower walking) | 48,718 | 264 (0.54%) |
| 1 | Depression (event: more time in chair) | 65,196 | 511 (0.78%) |
| 1 | Depression (event: more time in chair) | 47,100 | 271 (0.58%) |
| 1 | Weakness | 72,532 | 640 (0.88%) |
| 1 | Weakness | 57,294 | 2001 (3.49%) |
| 1 | Weakness | 52,129 | 761 (1.46%) |
| 2 | Weakness | 80,284 | 7,903 (9.84%) |
| 2 | Weakness | 79,222 | 711 (0.90%) |
| 2 | Weakness | 66,648 | 673 (1.01%) |
| Total | 2,287,859 | 373,152 (0.02%) | |