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. Author manuscript; available in PMC: 2023 Jan 1.
Published in final edited form as: IEEE Trans Vis Comput Graph. 2021 Dec 24;28(1):151–161. doi: 10.1109/TVCG.2021.3114810

Table 1.

Example of 3 transactions containing 4 symptoms: fatigue, drowsiness, pain, and swallow.

tid items
001 fatigue, drowsiness
002 pain, drowsiness
003 fatigue, pain, swallow