Convert to SRSF

Description

This function converts functions to srvf

Usage

f_to_srvf(f, time)

Arguments

Value

q matrix of SRVFs

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 [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.

Examples

data("simu_data")
q <- f_to_srvf(simu_data$f,simu_data$time)