Generic function that executes expr, which is expected to
return a track, n times and stores the output in a tracks
object. Basically, this works like replicate but for tracks.
Usage
simulateTracks(n, expr)
Arguments
n
number of tracks to be generated.
expr
the expression, usually a call, that generates a single track.
## Generate 10 tracks, 100 steps each, from a random walk with standard normally## distributed increments and plot themplot( simulateTracks( 10, brownianTrack(100,3) ) )