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. Author manuscript; available in PMC: 2018 May 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2016 Jun 30;64(5):1023–1032. doi: 10.1109/TBME.2016.2586443

TABLE I.

F1 scores for each of the three types of sequences based on feature selection ratio r and subsequence length Ts (hours). The bold numbers indicates the highest F1 score for a given type of sequence based on given r and Ts

Ts Sequence Type F1 score (%, mean±std)
r = 10% r = 20% r = 30% r = 40% r = 50% r = 60% r = 70% r = 80% r = 90% r = 100%
2 SuperAlarm 61.89±8.74 67.13±11.63 70.12±10.93 68.06±10.56 68.99±9.80 67.07±9.89 65.40±9.27 63.71±8.44 60.56±10.14 61.38±10.93
Discretized Alarm 51.72±5.94 52.85±3.55 52.56±3.16 52.11±3.14 51.60±3.78 51.43±3.72 51.48±3.96 51.48±3.96 51.48±3.96 51.48±3.96
Raw Alarm 52.90±6.82 50.11±6.15 50.71±6.27 49.79±5.99 51.27±6.42 50.93±6.68 52.00±6.00 52.16±5.41 52.54±5.12 52.54±5.12
4 SuperAlarm 68.99±12.32 62.24±8.39 66.55±9.84 69.47±7.25 69.92±8.50 66.47±8.59 65.61±9.64 63.91±10.41 61.78±11.37 62.31±10.06
Discretized Alarm 51.72±4.56 53.55±4.00 52.91±4.57 51.71±5.44 51.89±5.13 51.67±2.87 52.32±2.41 52.32±2.41 52.32±2.41 52.32±2.41
Raw Alarm 55.19±10.55 51.72±7.64 50.28±7.30 51.12±8.02 51.82±8.41 51.51±8.51 50.58±8.53 50.58±7.64 52.65±7.29 52.65±7.29
6 SuperAlarm 64.96±12.61 58.72±12.85 67.19±4.95 69.67±10.41 69.63±8.45 67.78±8.68 66.20±9.89 63.62±9.55 60.59±10.42 61.81±10.69
Discretized Alarm 50.70±4.98 51.23±5.14 51.90±3.86 51.18±3.69 51.76±3.53 51.96±3.22 51.91±2.68 52.03±2.52 52.03±2.52 52.03±2.52
Raw Alarm 56.97±10.38 50.33±8.21 50.31±6.70 51.02±7.35 51.82±7.89 51.33±7.69 51.81±7.94 52.61±8.43 52.26±7.64 52.26±7.64
8 SuperAlarm 65.08±9.46 58.86±12.37 61.85±8.85 70.94±7.02 71.64±6.52 69.10±8.82 66.95±8.98 65.35±8.65 61.09±10.35 62.18±9.77
Discretized Alarm 52.62±4.45 51.43±4.74 52.20±4.74 50.70±5.18 51.18±4.50 51.54±3.32 52.63±2.84 52.64±2.48 52.64±2.48 52.64±2.48
Raw Alarm 56.57±8.75 54.49±10.14 50.61±7.77 51.70±7.83 51.33±6.56 51.54±7.55 52.17±7.00 53.13±6.59 52.01±7.99 51.84±7.84
10 SuperAlarm 66.21±11.69 61.61±12.06 66.42±8.94 71.03±7.18 72.42±7.40 70.63±7.92 67.09±9.41 65.89±8.51 62.95±10.58 62.12±7.90
Discretized Alarm 52.59±6.34 49.45±5.51 52.04±4.75 52.85±3.55 51.33±3.75 52.44±3.80 51.53±3.45 51.75±2.54 51.75±2.54 51.75±2.54
Raw Alarm 52.53±13.56 55.21±10.57 51.98±8.03 50.76±6.99 52.76±7.41 51.71±6.22 50.89±6.91 51.78±5.03 51.54±8.14 51.85±8.04
12 SuperAlarm 67.98±12.71 64.60±11.97 68.35±7.89 71.72±5.81 71.98±7.39 71.39±8.86 66.89±8.32 66.42±10.94 64.02±10.43 63.63±8.59
Discretized Alarm 52.04±5.32 51.03±5.87 50.58±5.34 51.99±5.07 50.89±4.84 50.91±3.68 51.05±3.13 51.09±2.58 51.09±2.58 51.09±2.58
Raw Alarm 51.53±13.42 52.33±10.73 52.42±9.05 51.42±8.65 51.04±7.95 51.21±6.96 52.04±5.84 51.61±7.08 51.39±7.37 51.41±8.00
∞ SuperAlarm 63.15±10.69 63.07±11.24 63.13±10.10 61.81±9.72 62.96±10.12 65.36±9.98 64.47±12.00 64.14±9.31 61.79±12.34 60.60±9.98
Discretized Alarm 52.18±9.41 49.23±9.19 50.03±8.72 47.20±8.35 46.96±7.35 48.45±8.59 45.98±10.94 45.31±11.86 44.83±10.37 44.29±10.56
Raw Alarm 51.44±9.26 49.40±8.42 49.43±7.62 46.89±9.74 48.68±8.79 50.20±8.73 51.11±9.59 50.09±8.96 50.68±7.47 51.78±7.09