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. Author manuscript; available in PMC: 2015 Nov 2.
Published in final edited form as: Proc ACM Int Conf Ubiquitous Comput. 2015 Sep;2015:505–516. doi: 10.1145/2750858.2807537

Figure 2.

Figure 2

Figure 2

Figure 2(a). Temporal stress profile of participant P4. Each bar represents stress for a day. X-axis and Y-axis represent time-of-day and days-of-the-week respectively. Colors represent stress intensity (red = high stress, green = low stress, yellow = moderate stress, grey = unknown)

Figure 2(b). Temporal stress profiles of four participants. Colors represent stress intensity (red = high stress, green = low stress, yellow = moderate stress, grey = unknown). Each bar represents a day’s stress data, which are grouped by participants.