| ElapsedTimeProgressBarFn | A general purpose progress bar that reports elapsed time rather than number of items |
| lines.Trajectory | Add Trajectory lines to a plot |
| plot.TrajDirectionAutocorrelations | Plot method for direction autocorrelation |
| plot.Trajectory | Plot method for trajectories |
| plot.TrajSpeedIntervals | Plot method for trajectory speed intervals |
| points.Trajectory | Add Trajectory points to a plot |
| Traj3DDistance | 3D Trajectory distance |
| Traj3DFromCoords | Create a 3D Trajectory Object |
| Traj3DLength | 3D trajectory length |
| Traj3DRediscretize | Resample a 3D trajectory to a constant step length |
| Traj3DResampleTime | Resample a 3D trajectory to a constant time interval |
| Traj3DSmoothSG | Smooth a 3D trajectory using a Savitzky-Golay filter |
| Traj3DStepLengths | 3D trajectory step lengths |
| Traj3DStraightness | Straightness of a 3D Trajectory |
| TrajAcceleration | Approximates the acceleration of a trajectory |
| TrajAngles | Turning angles of a Trajectory |
| TrajConvertTime | Converts a delimited time string to a numeric value |
| TrajDAFindFirstMaximum | First direction autocorrelation minimum/maximum |
| TrajDAFindFirstMinimum | First direction autocorrelation minimum/maximum |
| TrajDAMinMax | First direction autocorrelation minimum/maximum |
| TrajDerivatives | Calculates trajectory speed and change of speed |
| TrajDirectionalChange | Directional change (DC) |
| TrajDirectionAutocorrelations | Direction autocorrelation |
| TrajDistance | Trajectory distance |
| TrajDuration | Trajectory duration |
| 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 |
| TrajFromTrjPoints | Create a trajectory from a subset of another |
| TrajGenerate | Generate a random trajectory |
| TrajGetFPS | Trajectory frames-per-second |
| TrajGetNCoords | Trajectory number of coordinates |
| TrajGetTimeUnits | Trajectory temporal units |
| TrajGetUnits | Trajectory spatial units |
| TrajInPolygon | Test whether each of the points in a trajectory lie inside a polygon |
| TrajLength | Trajectory length |
| TrajLogSequence | Logarithmically spaced sequence |
| TrajMeanVectorOfTurningAngles | Mean vector of turning angles |
| TrajMeanVelocity | Trajectory mean velocity |
| TrajMerge | Combine multiple trajectories into a single whole trajectory |
| TrajRediscretize | Resample a trajectory to a constant step length |
| TrajResampleTime | Resample a trajectory to a constant time interval. |
| TrajReverse | Reverse a trajectory |
| TrajRotate | Rotate a trajectory |
| TrajsBuild | Construct multiple trajectories |
| TrajScale | Scale a trajectory |
| TrajSinuosity | Sinuosity of a trajectory |
| TrajSinuosity2 | Sinuosity of a trajectory |
| TrajsMergeStats | Merge trajectory characteristics |
| TrajSmoothSG | Smooth a trajectory using a Savitzky-Golay filter |
| TrajSpeedIntervals | Calculate speed time intervals |
| TrajSplit | Split a trajectory into multiple sections |
| TrajSplitAtFirstCrossing | Split a trajectory into two parts, separated at the first boundary crossing |
| TrajsStatsReplaceNAs | Replace NAs in a data frame |
| TrajsStepLengths | Step lengths of multiple trajectories |
| TrajStepLengths | Trajectory step lengths |
| TrajStraightness | Straightness of a Trajectory |
| TrajTranslate | Translate a trajectory |
| TrajVelocity | Velocity of a trajectory |