getFANRM2: getFANRM2: creates a fixed amount of neighbours (FAN) matrix...
In KarsTS: An Interface for Microclimate Time Series Analysis

Description Usage Arguments Details Value Author(s) References

This function creates a fixed amount of neighbours (FAN) matrix via console from a time series. To create a FAN matrix via interface, see the function createFAN.

1	getFANRM2(selTs, embedDim, lagDelay, threshold, theilerWin, fan)

`selTs`	A univarate time series in KarsTS format.
`embedDim`	The embedding dimension.
`lagDelay`	The delay (in lags).
`threshold`	The threshold.
`theilerWin`	The Theiler's window (in lags).
`fan`	The fixed amount of neighbours.

In case you do not want to embed your time series, set embedDim to 1 and lagDelay to 0. If you do not want to apply a Theiler's window, set theilerWin to 0. The threshold will determine in the first place the number of neighbors of each point; then, the fixed amount of neighbours will determine how many of those are kept. For example, if a point A has 10 neighbors (according to the threshold) and the fan is 5, the point A will have 5 neighbors in the output matrix. However, if a point B has only 4 neighbors (according to the threshold), the number of neighbors of B in the output matrix will be 4. If you want a matrix with a truly fixed amount of neighbors, give the threshold a value high enough to render it useless.

A list containing the X and Y positions of the recurrent points in the FAN recurrence matrix.

Marina Saez Andreu

Marwan,R., Romano, M.C., Thiel,M., Kurths,J.(2007): Recurrence plots for the analysis of complex systems. Physics Reports 438, 237-329.

KarsTS documentation built on Jan. 16, 2021, 5:07 p.m.