rwalcSurrogate: Surrogate tracks by phase randomization.

Description Usage Arguments Details Value References

View source: R/RWalc.R

Description

Generate a surrogate track from a template track by phase randomization.

Usage

1

Arguments

data

A dataframe representing the template track.

Details

Given a template track generate a new track of the same length that coincides with the fitted track at the start and end point of each segment.

Tracks are generated in the plane, and there are no facilities for placing additional constraints on the track.

Value

Returns a dataframe representing the surrogate track with columns

segment

track segment

date

time (as GMT POSIXct)

x

x coordinate

y

y coordinate

References

Kantz, H., & Schreiber, T. (2004). Nonlinear time series analysis. Cambridge university press.


SWotherspoon/RWalc documentation built on Feb. 25, 2021, 8:26 p.m.