SqrtMean | R Documentation |
This function calculates the srvf of warping functions with corresponding shooting vectors and finds the mean
SqrtMean(gam)
gam |
matrix ( |
Returns a list containing
mu |
Karcher mean psi function |
gam_mu |
Karcher mean warping function |
psi |
srvf of warping functions |
vec |
shooting vectors |
Srivastava, A., Wu, W., Kurtek, S., Klassen, E., Marron, J. S., May 2011. Registration of functional data using fisher-rao metric, arXiv:1103.3817v2.
Tucker, J. D., Wu, W., Srivastava, A., Generative Models for Function Data using Phase and Amplitude Separation, Computational Statistics and Data Analysis (2012), 10.1016/j.csda.2012.12.001.
out <- SqrtMean(simu_warp$warping_functions)
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