This is a simulated movement track from a continuous auto-correlated process
of total duration 60 time units with four behavioral phases that switch at
times T=10, 20 and 50 from, variously, higher or lower velocity and longer or
shorter characteristic time scale of autocorrelation. The original data was
simulated with time intervals of 0.01 (leading to a complete track with 6000
data points). 200 points were randomly sampled from the "true" movement
track, such that the intervals between locations are random with mean
interval 0.3 units.