Fit continuous-time correlated random walk models for animal movement data


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Documentation for package ‘crawl’ version 1.3

Help Pages

crawl-package Fit Continuous-Time Correlated Random Walk models to animal movement data
AIC.crwFit Calculates AIC for all objects of class crwFit listed as arguments
as.flat 'Flattening' a list-form crwPredict object into a data.frame
crawl Fit Continuous-Time Correlated Random Walk models to animal movement data
crwMLE Fit Continuous-Time Correlated Random Walk Models to Animal Telemetry Data
crwN2ll -2 * log-likelihood for CTCRW models
crwPostIS Simulate a value from the posterior distribution of a CTCRW model
crwPredict Predict animal locations and velocities using a fitted CTCRW model and calculate measurement error fit statistics
crwPredictPlot Plot CRW predicted object
crwSamplePar Create a weighted importance sample for posterior predictive track simulation.
crwSimulator Construct a posterior simulation object for the CTCRW state vectors
crwUseGrid Compute a spatial use grid from a crawl prediction
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
harborSeal Harbor seal telemetry data
intToPOSIX Reverse as.numeric command that is performed on a vector of type POSIXct
logSpeed calculate estimate of log speed from a crwPredict object
mergeTrackStop Merge a location data set with a dry time (or other stopping) covariate
northernFurSeal Northern fur seal pup telemetry data set