Table 2 Spearman correlation coefficient of the feature values, the age, and the classification task if the correlation is significant (*: p ≤ 0.05/c, **: p ≤ 0.01/c, ***: p ≤ 0.001/c, after Bonferroni-Correction c = 14).
Age | Task 1 PD versus CG | Task 2 MD versus CG | Task 3 PD versus DD | |
---|---|---|---|---|
Age | – | 0.53** | ||
QYes | 0.63*** | 0.55*** | ||
F1c DistanceFFT | 0.44* | 0.5*** | ||
F2 MaxDistance | 0.7*** | 0.58*** | ||
F3 MeanDistance | 0.66*** | 0.55*** | ||
F4 StDevDistance | 0.7*** | 0.58*** | ||
F5 ChangeOfRadiusDirection | − 0.41* | |||
F6 ChangeOfDirectionX | ||||
F7 ChangeOfDirectionY | ||||
F8 MeanForce | ||||
F9 StDevDistance | 0.46** | 0.33* | ||
F10 MedianForce | ||||
F11 TimeOfDrawing | ||||
F12 MeanVelocity | ||||
F13 StDevForce | 0.36* |