amt
Animal Movement Tools
Manage and analyze animal movement data. The functionality of 'amt' includes methods to calculate track statistics (e.g. step lengths, speed, or turning angles), prepare data for fitting habitat selection analyses (resource and step-selection functions), and simulation of space-use from fitted step-selection functions.
The aim of amt is to make handling and analyzing animal telemetry data easier by providing functions that simplify common tasks, such as data filtering, calculation of path characteristics and home ranges, and the preparing data for more complex analyses (e.g., step selection functions and alike).
Installation
To install the current development version of amt use:
devtools::install_github("jmsigner/amt")
News
amt 0.0.5.0
major changes
random_stepsgained a new distribution for random steps (exponential).- bug fix in
random_steps - new function
extract_covariates_along, extracts covariates along a random step. stepsgains a new argument:keep_colsin order to keep columns from point when creating steps.simulate_tud: a convenience wrapper arroundsimulate_udto simulate transition UDs.
amt 0.0.4.0
major changes
- Added an alias to
mk_trackcalledmake_track. mk_trackgained a new argumentall_colsthat allows to carry over all columns to track.mk_trackgained a new argumentcheck_duplicatesthat allows to the user to specify if temporal duplicates should give an error or not.- Added
hr_kdeto calculate Kernel home ranges. stepsnow usesdifftimeto calcualte time differences.
minor changes
- Removed: Depends tidyverse
- Fixed errors with lubridate::Periods within
data_frames
amt 0.0.3.0
minor changes
- Fixed vignette titels.
- Added
Rdpackto suggest