TrajAngles              Turning angles of a Trajectory
TrajDAMinMax            First direction autocorrelation minimum/maximum
TrajDerivatives         Calculates trajectory speed and acceleration
TrajDirectionAutocorrelations
                        Direction autocorrelation
TrajDirectionalChange   Directional change (DC)
TrajDistance            Trajectory distance
TrajEmax                Trajectory straightness index, E-max
TrajExpectedSquareDisplacement
                        Trajectory expected square displacement
TrajFractalDimension    Fractal dimension of a trajectory
TrajFractalDimensionValues
                        Fractal dimension calculation
TrajFromCoords          Create a Trajectory Object
TrajGenerate            Generate a random trajectory
TrajGetFPS              Trajectory frames-per-second
TrajGetNCoords          Trajectory number of coordinates
TrajGetTimeUnits        Trajectory temporal units
TrajGetUnits            Trajectory spatial units
TrajLength              Trajectory length
TrajLogSequence         Logarithmically spaced sequence
TrajMeanVectorOfTurningAngles
                        Mean vector of turning angles
TrajRediscretize        Resample a trajectory to a constant step length
TrajReverse             Reverse a trajectory
TrajRotate              Rotate a trajectory
TrajScale               Scale a trajectory
TrajSinuosity           Sinuosity of a trajectory
TrajSinuosity2          Sinuosity of a trajectory
TrajSmoothSG            Smooth a trajectory using a Savitzky-Golay
                        filter
TrajSpeedIntervals      Calculate speed time intervals
TrajStepLengths         Trajectory step lengths
TrajStraightness        Straightness of a Trajectory
TrajsBuild              Construct multiple trajectories
TrajsMergeStats         Merge trajectory characteristics
TrajsStatsReplaceNAs    Replace NAs in a data frame
TrajsStepLengths        Step lengths of multiple trajectories
lines.Trajectory        Add Trajectory lines to a plot
plot.TrajDirectionAutocorrelations
                        Plot method for direction autocorrelation
plot.TrajSpeedIntervals
                        Plot method for trajectory speed intervals
plot.Trajectory         Plot method for trajectories
points.Trajectory       Add Trajectory points to a plot
trajr                   trajr: trajectory analysis in R
