crawl package - RDocumentation

crwPredict

Predict animal locations and velocities using a fitted CTCRW model and calculate measurement error fit statistics

argosDiag2Cov

Transform Argos diagnostic data to covariance matrix form

expandPred

Expand a time indexed data set with additional prediction times

fillCols

Fill missing values in data set (or matrix) columns for which there is a single unique value

displayPar

Display the order of parameters along with fixed values and starting values

detect_timescale

Detect appropriate time scale for movement analysis

crw_as_sf

Coerce to sf/sfc object

crw_as_tibble

Coerce crawl objects (crwIS and crwPredict) to tibbles

flatten

'Flattening' a list-form crwPredict object into a data.frame

fix_path

fix_path function id depreciated.

crwSimulator

Construct a posterior simulation object for the CTCRW state vectors

crwSamplePar

Create a weighted importance sample for posterior predictive track simulation.

[.crwIS

Generic subset/bracket method for crwIS classes

intToPOSIX

Reverse as.numeric command that is performed on a vector of type POSIXct

mergeTrackStop

Merge a location data set with a dry time (or other stopping) covariate

tidy_crwFit

tidy-like method for crwFit object

northernFurSeal

Northern fur seal pup relocation data set used in Johnson et al. (2008)

%>%

Pipe operator

harborSeal

Harbor seal location data set used in Johnson et al. (2008)

harborSeal_sf

Harbor seal location data updated since Johnson et al. (2008)

crwN2ll

-2 * log-likelihood for CTCRW models

crwPredictPlot

Plot CRW predicted object

aic.crw

Calculates AIC for all objects of class crwFit listed as arguments

crwMLE

Fit Continuous-Time Correlated Random Walk Models to Animal Telemetry Data

as.flat

'Flattening' a list-form crwPredict object into a data.frame

crawl-package

Fit Continuous-Time Correlated Random Walk Models to Animal Movement Data

crwPostIS

Simulate a value from the posterior distribution of a CTCRW model

beardedSeals

Bearded Seal Location Data

crawl (version 2.3.0)

Fit Continuous-Time Correlated Random Walk Models to Animal Movement Data

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Functions in crawl (2.3.0)