| warp_f_gamma {fdasrvf} | R Documentation |
This function warps function f by γ
warp_f_gamma(f, time, gamma, spl.int = FALSE)
f |
vector function |
time |
time |
gamma |
vector warping function |
spl.int |
use spline interpolation (default F) |
fnew warped function
Srivastava, A., Wu, W., Kurtek, S., Klassen, E., Marron, J. S., May 2011. Registration of functional data using fisher-rao metric, arXiv:1103.3817v2 [math.ST].
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.
data("simu_data")
fnew = warp_f_gamma(simu_data$f[,1],simu_data$time,seq(0,1,length.out=101))