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Methods to assess validity of positioning systems in team sports: can we do better?

Live Steinnes LutebergetPetter A H JølstadMatthias Gilgien
Published in: BMJ open sport & exercise medicine (2023)
Choice of criterion measure and reference system has a substantial impact on the accuracy assessments of tracking systems. Specifically, assessing static position is not a substitute for dynamic position, and mean speed is not a substitute for instantaneous speed. Therefore, the outcomes of validation studies should always be interpreted in light of the reference methods that were used.
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