warp_f_gamma: Warp Function

In fdasrvf: Elastic Functional Data Analysis

Warp Function

Description

This function warps function f by \gamma

Usage

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

Arguments

f	vector function
time	time
gamma	vector warping function
spl.int	use spline interpolation (default F)

Value

fnew warped function

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)
)

fdasrvf documentation built on Oct. 5, 2024, 1:08 a.m.