Table 5.
Accuracy (ACC), precision (PPV, Positive Predictive Value) and sensitivity (TPR, True Positive Rate) for each functional fitness movement, related to the cubic kernel SVM algorithm with a 600 ms length windows and 10% overlap.
ACC | PPV | TPR | ||||
---|---|---|---|---|---|---|
Stage 1 | Stage 2 | Stage 1 | Stage 2 | Stage 1 | Stage 2 | |
C&J | 99.4 | 97.3 | 91.2 | 82.2 | ||
AS | 99.1 | 98.7 | 93.0 | |||
BJ | 99.5 | 94.8 | 93.5 | 87.6 | 85.7 | |
BP | 98.8 | 96.5 | 92.7 | 96.5 | 86.2 | |
TRANS | 98.0 |
Data from all the five IMUs available were used as input. Classification performance is reported from the two stages of validation as %, and results are the average across multiple iterations. Stage 1= 5-fold Cross-Validation—Training Dataset; Stage 2 = “leave one subject out” (LOSO) on test dataset. Green bold numbers = best performance; red bold numbers = worst performance.