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and activity models, since these additional refinements would lead to significantly smaller
datasets and possibly to a loss of accuracy. Further in-depth research should be
performed to confirm the relationship between user behaviour and time of year.
figure 6: Seasonal Effects on Occupancy
figure 7: Seasonal Effects on Activities (a) using a computer, (b) preparing
food, (c) watching TV and (d) doing the dishes
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Percentage of Occupancy (-)
Time (h)
Spring - present and awake
Spring - present and sleeping
Summer - present and awake
Summer - present and sleeping
Autumn - present and awake
Autumn - present and sleeping
Winter - present and awake
Winter - present and sleeping
0
0.01
0.02
0.03
0.04
0.05
(a) using a computer
winter
spring
summer
autumn
0
0.02
0.04
0.06
0.08
0.1
0.12
(b) preparing food
winter
spring
summer
autumn
0
0.1
0.2
0.3
0.4
0.5
(c) watching TV
winter
spring
summer
autumn
0
0.01
0.02
0.03
0.04
0.05
0.06
(d) doing the dishes
winter
spring
summer
autumn
