Animal Trajectory Analysis


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Documentation for package ‘trajr’ version 1.1.0

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trajr-package trajr: trajectory analysis in R
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
TrajAngles Turning angles of a Trajectory
TrajDAFindFirstMaximum First direction autocorrelation minimum/maximum
TrajDAFindFirstMinimum First direction autocorrelation minimum/maximum
TrajDAMinMax First direction autocorrelation minimum/maximum
TrajDerivatives Calculates trajectory speed and linear acceleration
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
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
TrajMeanVelocity Trajectory mean velocity
trajr trajr: trajectory analysis in R
TrajRediscretize Resample a trajectory to a constant step length
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
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