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

## Documentation for package ‘crawl’ version 2.2.1

- DESCRIPTION file.

## Help Pages

crawl-package | Fit Continuous-Time Correlated Random Walk Models to Animal Movement Data
aic.crw | Calculates AIC for all objects of class crwFit listed as arguments
argosDiag2Cov | Tranform Argos diagnostic data to covariance matrix form
as.flat | 'Flattening' a list-form crwPredict object into a data.frame
beardedSeals | Bearded Seal Location Data
check_csv | Start a shiny app to check data stored in a .csv file for model fitting with 'crwMLE' function.
cond_sim | Simulate possible path points conditioned on fit
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
crw_as_sf | Coerce to sf/sfc object
crw_as_sf.crwIS | Coerce to sf/sfc object
crw_as_sf.crwPredict | Coerce to sf/sfc object
crw_as_tibble | Coerce crawl objects (crwIS and crwPredict) to tibbles
crw_as_tibble.crwIS | Coerce crawl objects (crwIS and crwPredict) to tibbles
crw_as_tibble.crwPredict | Coerce crawl objects (crwIS and crwPredict) to tibbles
crw_as_tibble.tbl | Coerce crawl objects (crwIS and crwPredict) to tibbles
displayPar | Display the order of parameters along with fixed values and starting values
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
fix_path | Project path away from restricted areas
fix_segments | Identify segments of a path that cross a restricted area
flatten | 'Flattening' a list-form crwPredict object into a data.frame
get_mask_segments | Identify segments of a path that cross through a restricted area
harborSeal | Harbor seal relocation data set used in Johnson et al. (2008)
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
northernFurSeal | Northern fur seal pup relocation data set used in Johnson et al. (2008)
tidy_crwFit | tidy-like method for crwFit object