avedistTrack {trajectories}

Average pairwise distance of trajectory pattern over time

Description

This measures the average of pairwise distances between tracks over time.

Usage

avedistTrack(X,timestamp)

Arguments

X

a list of some objects of class "Track"

timestamp

timestamp to calculate the pairwise distances between tarcks

Details

This function calculates the average pairwise distance between a list of tracks according to a given timestamp.

Value

An object of class "distrack". It can be plotted over time.

Author(s)

Mohammad Mehdi Moradi <[e-mail]>

See Also

as.Track.ppp

Examples

if (require(spatstat.geom)) {
 X <- list()
 for(i in 1:10){
  m <- matrix(c(0,10,0,10),nrow=2,byrow = TRUE)
  X[[i]] <- rTrack(bbox = m,transform = TRUE)
 }

 ave <- avedistTrack(X,timestamp = "120 secs")
 plot(ave,type="l")
}