Man pages for ct
Camera Trap Data Management and Multi-Method Ecological Analysis

ACBRCamera trap dataset from Agbogon Community Biological Reserve...
bootstrapGenerate bootstrap estimates of overlap
calc_active_periodsCalculate active periods for camera trap data
ct_alpha_diversityAlpha diversity index
ct_availabilityTemporal availability adjustment
ct_boot_ciBootstrap confidence intervals
ct_camera_dayCalculate daily camera trap captures
ct_camtrap_animal_distanceEstimate distance from camera trap to animal
ct_check_locationInteractive camera trap location adjustment
ct_check_nameCheck species name and retrieve Taxonomic Serial Number (TSN)...
ct_chi2_selectSelect best detection function model by Chi-squared...
ct_ciCalculate confidence interval
ct_clone_dirClone directory structure
ct_convert_unitConvert values between different units
ct_correct_datetimeCorrect camera trap datetime records
ct_create_hsCreate or add hierarchical subject (hs) values in image...
ct_describe_dfDescriptive statistic on dataset
ct_dissimilarityCalculate dissimilarity between communities
ctdpCamera trap data package example
ct_dp_exampleRead the Camtrap DP example dataset
ct_dp_filterFilter camera trap data package
ct_dp_readRead camera trap data package
ct_dp_tableGet core tables
ct_dp_versionGet Camtrap DP version Extracts the version number used by a...
ct_exiftool_callCall ExifTool
ct_find_breakDetect time gaps in a datetime series
ct_fit_activityFit activity model to time-of-day data
ct_fit_detmodelFit animal detection
ct_fit_distributionFit a count distribution by maximum likelihood
ct_fit_dsFit detection functions and estimate density/abundance
ct_fit_encounter_responseFit a conditional encounter-response model for camera-trap...
ct_fit_iseEstimate abundance from Instantaneous Sampling (ISE) Data
ct_fit_remFit Random Encounter Model (REM)
ct_fit_restFit the Random Encounter and Staying Time (REST / RAD-REST)...
ct_fit_speedmodelFit animal speed model
ct_fit_steEstimate abundance from Space-To-Event (STE) Data
ct_fit_tteEstimate abundance from Time-To-Event (TTE) Data
ct_get_effortCalculate camera trap deployment effort
ct_get_hsRetrieve hierarchical subject (hs) values from image metadata
ct_independenceEvaluate independent detections
ct_inextInterpolation and extrapolation of Hill number
ct_install_exiftoolInstall ExifTool, downloading (by default) the current...
ct_overlap_estimatesEstimates of coefficient of overlapping
ct_overlap_matrixEstimate overlap coefficients for multiple species
ct-packagect: Camera Trap Data Management and Multi-Method Ecological...
ct_plot_calendarPlot a calendar heatmap of daily camera trap activity
ct_plot_camtrap_activityPlot camera trap activity over time
ct_plot_densityPlot species' activity patterns
ct_plot_inextPlot diversity interploation and extrapolation
ct_plot_overlapPlot overlap between two species' activity patterns
ct_plot_overlap_coefPlot overlap coefficient matrix
ct_plot_rose_diagramPlot a 24-hour rose diagram of daily activity
ct_QAICCompute QAIC for a set of detection function models
ct_readRead a delimited file into a tibble
ct_read_metadataRead Image Metadata
ct_remove_hsRemove hierarchical subject (hs) values from image metadata
ct_rest_activityPrepare activity (time-of-day) data for REST
ct_rest_effortAdd camera-trapping effort (days) to formatted station data
ct_rest_passesAggregate the number of animal passes per station for REST /...
ct_rest_select_stayChoose a staying-time distribution for REST by WAIC
ct_rest_stayPrepare staying-time data for REST
ct_select_modelModel selection for Distance Sampling detection functions
ct_solartimeTransform time to solar time anchored to sunrise and sunset
ct_spatial_coverageEstimate species spatial coverage from camera trap detections
ct_stack_dfStack a list of data frame
ct_standardizeStandardize community data matrix
ct_summarise_camtrap_activityCreate activity summary statistics
ct_survey_designCreate a survey design for camera trap deployment
ct_temporal_shiftCalculate the temporal shift of one species' activity over...
ct_to_communityConvert data to a community matrix
ct_to_occupancyConvert camera trap data to occupancy format
ct_to_radianConvert time to radians
ct_to_timeConvert radian to time
ct_traprate_dataPrepare data for trap rate estimation
ct_traprate_estimateEstimate trap rate
download_exiftoolDownload the current version of ExifTool
duikersMaxwell's duiker camera-trap distance & video-start data
exiftool_versionGet ExifTool Version
find_exiftoolFind ExifTool Executable
find_exiftool_pathFind ExifTool Path
get_osGet Operating System
lamaCamera trap survey of the Lama Classified Forest
lnorm_confintLog-normal confidence interval
parse_hsParse Hierarchical Subjects into a Tibble
pendjariPendjari national park and surrounding areas
penessoulouCamera-trap detections from the Penessoulou Classified Forest
pipePipe operators
print.ct_restPrint method for ct_rest objects
print.ct_rest_stayPrint method for ct_rest_stay objects
rest_detectionSimulated camera-trap detections for the REST / RAD-REST...
rest_stationCamera-station table for the REST / RAD-REST example
R_user_dirDetermine the Per-User Directory for R Package Data, Config,...
ct documentation built on Oct. 22, 2026, 1:07 a.m.