Reconstruct and Visualize Transit Vehicle Trajectories

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Documentation for package ‘transittraj’ version 1.0.0

• DESCRIPTION file
• User guides, package vignettes and other documentation
• Package NEWS
• Package README

Help Pages

clean_incomplete_trips	Filter out entire trips which do not meet distance or duration requirements
clean_jumps	Apply median filters to detect large jumps (i.e., outliers) in trajectories.
clean_overlapping_subtrips	Remove trips with multiple operators or vehicles assigned to the same trip ID
export_animation	Save an animation at a desired quality
filter_by_route	Filter GTFS to a desired route(s) and direction(s)
get_gtfs_service_dates	Get a dataframe of all service dates and their service IDs from a GTFS
get_gtfs_trajectory_fun	Fit continuous trajectory interpolating curves from GTFS schedule data
get_linear_distances	Linearize latitude-longitude GPS points on a provided route shape
get_shape_geometry	Get the geometry of a route shape
get_stop_distances	Get the distances of stops along routes
get_trajectory_fun	Fit continuous trajectory interpolating curves from AVL data
get_trip_extremes	Get the distance and time range of each trip in a trajectory object
group_trajectories	Group existing trajectory objects or split them apart
lacmta_avl	LA Metro AVL Data
lacmta_gtfs	LA Metro GTFS
make_monotonic	Correct distance observations, and optionally speeds, to be weakly or strictly monotonic
new_transittraj_data	Retrieve an object from a particular step of 'transittraj"s workflow
plot.avltrajectory_group	Quickly plot an AVL trajectory
plot.avltrajectory_single	Quickly plot an AVL trajectory
plot_animated_line	Animate vehicle trajectory or AVL data
plot_animated_map	Animate vehicle trajectory or AVL data
plot_interactive_gtfs	Generate a Leaflet viewer of GTFS routes and stops
plot_trajectory	Plot vehicle trajectories or AVL data
predict.avltrajectory_group	Interpolate time or distance points using AVL trajectories
print.avltrajectory_group	Print an AVL trajectory object
print.avltrajectory_single	Print an AVL trajectory object
project_onto_route	Project points to linear distances along a route
summary.avltrajectory_group	Summarize an AVL trajectory object
summary.avltrajectory_single	Summarize an AVL trajectory object
trim_trips	Remove observations occurring before a trip's minimum distance, or after a trip's maximum distance
validate_monotonicity	Check if AVL data satisfies assumptions of monotonicity
validate_tides	Check if AVL data meets TIDES standards