fdasrvf (version 2.3.6)

warp_f_gamma: Warp Function

Description

This function warps function \(f\) by \(\gamma\)

Usage

warp_f_gamma(f, time, gamma, spl.int = FALSE)

Value

fnew warped function

Arguments

f

vector function

time

time

gamma

vector warping function

spl.int

use spline interpolation (default F)

References

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.

Examples

fnew <- warp_f_gamma(
  f = simu_data$f[, 1],
  time = simu_data$time,
  gamma = seq(0, 1, length.out = 101)
)