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trajr  

Animal Trajectory Analysis
View on CRAN: Click here


Download and install trajr package within the R console
Install from CRAN:
install.packages("trajr")

Install from Github:
library("remotes")
install_github("cran/trajr")

Install by package version:
library("remotes")
install_version("trajr", "1.5.1")



Attach the package and use:
library("trajr")
Maintained by
Jim McLean
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2018-01-05
Latest Update: 2023-11-29
Description:
A toolbox to assist with statistical analysis of animal trajectories. It provides simple access to algorithms for calculating and assessing a variety of characteristics such as speed and acceleration, as well as multiple measures of straightness or tortuosity. Some support is provided for 3-dimensional trajectories. McLean & Skowron Volponi (2018) <doi:10.1111/eth.12739>.
How to cite:
Jim McLean (2018). trajr: Animal Trajectory Analysis. R package version 1.5.1, https://cran.r-project.org/web/packages/trajr. Accessed 04 Jun. 2026.
Previous versions and publish date:
1.0.0 (2018-01-05 10:56), 1.1.0 (2018-05-10 14:17), 1.3.0 (2019-06-10 07:10), 1.4.0 (2020-12-17 14:10), 1.5.0 (2023-06-24 12:30)
Other packages that cited trajr R package
View trajr citation profile
Other R packages that trajr depends, imports, suggests or enhances
Complete documentation for trajr
Functions, R codes and Examples using the trajr R package
Some associated functions: ElapsedTimeProgressBarFn . Traj3DDistance . Traj3DFromCoords . Traj3DLength . Traj3DRediscretize . Traj3DResampleTime . Traj3DSmoothSG . Traj3DStepLengths . Traj3DStraightness . TrajAcceleration . TrajAngles . TrajConvertTime . TrajDAMinMax . TrajDerivatives . TrajDirectionAutocorrelations . TrajDirectionalChange . TrajDistance . TrajDuration . TrajEmax . TrajExpectedSquareDisplacement . TrajFractalDimension . TrajFractalDimensionValues . TrajFromCoords . TrajFromTrjPoints . TrajGenerate . TrajGetFPS . TrajGetNCoords . TrajGetTimeUnits . TrajGetUnits . TrajInPolygon . TrajLength . TrajLogSequence . TrajMeanVectorOfTurningAngles . TrajMeanVelocity . TrajMerge . TrajRediscretize . TrajResampleTime . TrajReverse . TrajRotate . TrajScale . TrajSinuosity . TrajSinuosity2 . TrajSmoothSG . TrajSpeedIntervals . TrajSplit . TrajSplitAtFirstCrossing . TrajStepLengths . TrajStraightness . TrajTranslate . TrajVelocity . TrajsBuild . TrajsMergeStats . TrajsStatsReplaceNAs . TrajsStepLengths . lines.Trajectory . plot.TrajDirectionAutocorrelations . plot.TrajSpeedIntervals . plot.Trajectory . points.Trajectory . trajr-package . 
Some associated R codes: 3D.R . convenience.R . dirn_autocorr.R . fractal.R . generate.R . plot.R . progressbar.R . query.R . rediscretize.R . resample.R . simulate.R . speed.R . straightness.R . trajectory.R . trajr-package.R .  Full trajr package functions and examples
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