Table 5 Discretization of manifestation

Time

xϵ (9,12) o’clock→’0’; xϵ (12,15) o’clock→’1’; xϵ (15,17) o’clock→’2’; xϵ (17,19) o’clock→’3’; xϵ (19,21) o’clock→’4’; others→’5’

[9, 41, 42, 58, 59]

Walking speed

xϵ (0,0.7) m/s→’0’; xϵ (0.7,0.9) m/s→’1’; xϵ (0.9,1.2) m/s→’2’; xϵ (1.2,1.5) m/s→’3’

[60,61,62,63]

Environmental change

[0 1 2 3] for [Nought Low Medium High]

[8]

Heart rate variability (HRV)

[0 1 2 3] for [Nought Low Medium High]

[8]

Daytime activity

[0 1 2 3] for [Nought Low Medium High]

[8]

Wandering

[0 1] for [Nought exist]