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. 2016 Jan 7;13:1. doi: 10.1186/s12982-015-0038-3

Fig. 1.

Fig. 1

Panels a, c shows a spaghetti plot of the height and height velocity raw data from 50 participants respectively. Panels b, d show the variograms corresponding with each data set, where values in the x-axis represent the distance in time between two measurements and values in the y-axis (vijk) represent the square distance between those two observations [29]