Skip to main content

Table 5 Confusion matrices based on 12 features

From: Lying position classification based on ECG waveform and random forest during sleep in healthy people

Output position Target position
Left Supine Right Sum
(a) Subject specific scheme
 Left 1868 39 7 1914
 Supine 8 603 9 620
 Right 14 15 1336 1365
 Sum 1890 657 1352 3899
(b) Subject independent scheme without feature normalization
 Left 1492 458 247 2197
 Supine 716 203 1068 1987
 Right 79 166 378 623
 Sum 2287 827 1693 4807
(c) Subject independent scheme with feature normalization
 Left 1757 261 334 2352
 Supine 288 377 459 1124
 Right 312 176 892 1380
 Sum 2357 814 1685 4856
  1. Confusion matrices based on 12 features for (a) subject specific scheme, (b) subject independent scheme without feature normalization, (c) subject independent scheme with feature normalization