Movement Correlation Coefficient
Cr computes the correlation statistic for movement data as presented
in the paper by Shirabe (2006). The statistic is essentially a Pearson product-moment
correlation statistic formulated for use with movement data.
Cr(traj1, traj2, tc = 0)
an object of the class
time threshold for determining simultaneous fixes – see function:
Cr can be used to measure the level of dynamic interaction (termed correlation)
between a pair of simultaneously moving objects. The statistic is sensitive to
interaction in both movement direction (azimuth) and displacement, but is unable to
disentangle the effects of these components.
This function returns the Shirabe (2006) correlation statistic for two moving objects.
Shirabe, T. 2006. Correlation analysis of discrete motions. In: Raubal, M., Miller, HJ, Frank, AU, and Goodchild, M. eds. GIScience 2006, LNCS 4197. Berlin: Springer-Verlag; 370-382.
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