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. Author manuscript; available in PMC: 2021 May 11.
Published in final edited form as: Annu Int Conf IEEE Eng Med Biol Soc. 2019 Jul;2019:3368–3372. doi: 10.1109/EMBC.2019.8857453

Figure 3.

Figure 3.

Smoothed (green), nearest-neighbor interpolation (red), and linear interpolation (blue) compared with interpolated actigraphy and PSG data. Note that due to the sampling frequency disparity with PSG (2 Hz), actigraphy data (0.5 Hz) was interpolated to match the physician-validated sleep scoring.