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. Author manuscript; available in PMC: 2020 Aug 27.
Published in final edited form as: J Biomech. 2019 Jul 17;93:159–166. doi: 10.1016/j.jbiomech.2019.06.028

Figure A.8:

Figure A.8:

Left: the mean absolute error (MAE) of the test predictions decreases as the number of training points increases; Center: GPR model fit with five sample points compared to raw data; Right: GPR model fit with 50 sample points compared to raw data.