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tidytransit (version 1.6.1)

Read, Validate, Analyze, and Map GTFS Feeds

Description

Read General Transit Feed Specification (GTFS) zipfiles into a list of R dataframes. Perform validation of the data structure against the specification. Analyze the headways and frequencies at routes and stops. Create maps and perform spatial analysis on the routes and stops. Please see the GTFS documentation here for more detail: .

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Install

install.packages('tidytransit')

Monthly Downloads

670

Version

1.6.1

License

GPL

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Repository

https://github.com/r-transit/tidytransit

Maintainer

Flavio Poletti

Last Published

December 7th, 2023

Functions in tidytransit (1.6.1)

hhmmss_to_seconds

Function to convert "HH:MM:SS" time strings to seconds.

Get a set of stops for a given set of service ids and route ids

get_route_geometry

Get all trip shapes for a given route and service

set_dates_services

Returns all possible date/service_id combinations as a data frame

na_to_empty_strings

Convert NA values to empty strings ("")

interpolate_stop_times

Interpolate missing stop_times linearly Uses shape_dist_traveled if available

Calculate shortest travel times from a stop to all reachable stops

route_type_names

Dataframe of route type id's and the names of the types (e.g. "Bus")

summary.tidygtfs

GTFS feed summary

Plot GTFS stops and trips

Print a GTFS object

Convert stops into Simple Features Points

Convert stops and shapes from sf objects to tibbles

Validate GTFS file

set_servicepattern

Calculate servicepattern ids for a gtfs feed

Calculate travel times from one stop to all reachable stops

Write a tidygtfs object to a zip file

Read and validate GTFS files

get_stop_frequency

Get Stop Frequency

stop_group_distances

Calculates distances among stop within the same group column

get_route_frequency

Get Route Frequency

convert a vector of time strings empty strings are converted to NA

Convert shapes into Simple Features Linestrings

Transform or convert coordinates of a gtfs feed

Calculate distances between a given set of stops

Adds the coordinates of an sf LINESTRING object as columns and rows

sf_points_to_df

Adds the coordinates of an sf POINT object as columns

Convert another gtfs like object to a tidygtfs object

convert_times_to_hms

Convert time columns to hms::hms in feed

Cluster nearby stops within a group

filter_feed_by_date

Filter a gtfs feed so that it only contains trips running on a given date

filter_feed_by_area

Filter a gtfs feed so that it only contains trips that pass a given area

Returns TRUE if the given gtfs_obj contains the table. Used to check for tidytransit's calculated tables in sublist (gtfs_obj$.)

duplicated_primary_keys

Check if primary keys are unique within tables

Create a text listing the first max_agencies agencies of the feed

filter_feed_by_stops

Filter a gtfs feed so that it only contains trips that pass the given stops

empty_strings_to_na

Convert empty strings ("") to NA values in all gtfs tables

get_trip_geometry

Get all trip shapes for given trip ids

Convert stops and shapes to Simple Features

filter_feed_by_trips

Filter a gtfs feed so that it only contains a given set of trips

gtfs_to_tidygtfs

Convert an object created by gtfsio::import_gtfs to a tidygtfs object

Example GTFS data

filter_stop_times

Filter a stop_times table for a given date and timespan.

hhmmss_to_sec_split

Fallback function to convert strings like 5:02:11 10x slower than hhmmss_to_seconds(), empty strings are converted to NA