. Author manuscript; available in PMC: 2021 Oct 13.
Published in final edited form as: Proc ACM Interact Mob Wearable Ubiquitous Technol. 2020 Mar 18;4(1):4. doi: 10.1145/3380987
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Fig. 2.
Partial Auto-correlation Function plot for the number of cigarettes smoked, suggestive of three lags for modeling.