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group_stats.md

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Group Performance Information

A group is a collection of routes that serve a common corridor or origin-destination pair

  • Filename MUST be group_stats.txt
  • File MUST contain a record for every transit route and in a group
  • File MUST be a valid CSV file.
  • The first line of each file MUST contain case-sensitive field names.
  • Field names MUST NOT contain tabs, carriage returns or new lines.

File MUST contain the following required attributes:

Required Attributes Description
group_id ID that uniquely identifies a group.
start_time Start time in HH:MM:SS for which route statistics are calculated.
end_time End time in HH:MM:SS for which route statistics are calculated.

File MUST contain ONE of the following TWO sets of required attributes:

Option One:

Required Attributes Description
start_date Start date in YYYYMMDD for which route statistics are calculated.
end_date End date in YYYYMMDD for which route statistics are calculated.
monday 0 or 1. A binary value indicating whether route statistics include Mondays.
tuesday 0 or 1. A binary value indicating whether route statistics include Tuesdays.
wednesday 0 or 1. A binary value indicating whether route statistics include Wednesdays.
thursday 0 or 1. A binary value indicating whether route statistics include Thursdays.
friday 0 or 1. A binary value indicating whether route statistics include Fridays.
saturday 0 or 1. A binary value indicating whether route statistics include Saturdays.
sunday 0 or 1. A binary value indicating whether route statistics include Sundays.

Option Two:

Required Attributes Description
service_id ID that uniquely identifies a service span in calendar.txt.

File MAY contain the following attributes:

Optional Attributes Description
avg_runtime_scheduled Float, average number of minutes from scheduled arrival_time at first stop to scheduled departure_time at last stop for all route-segments in the group.
stdev_runtime_scheduled Float, standard deviation of scheduled runtime for all route-segments in the group.
avg_moving_time_scheduled Float, average number of minutes scheduled moving time (difference between avg_runtime_scheduled and avg_stopped_time_scheduled.
stdev_moving_time_scheduled Float, standard deviation of number of minutes scheduled moving time.
avg_stopped_time_scheduled Float, average number of minutes scheduled time spent at all stops in a trip, for all route-segments in the group, from pull-in time to pull-out time.
stdev_stopped_time_scheduled Float, standard deviation of number of minutes scheduled time spent at all stops in a trip, for all route-segments in the group, from pull-in time to pull-out time.
avg_runtime Float, average number of minutes from observed arrival_time at first stop to observed departure_time at last stop.
stdev_runtime Float, standard deviation of observed runtime for all route-segments in the group.
semi_stdevd_runtime Float, semi-standard deviation between scheduled and observed run time for all routes in the group.
avg_stopped_time Float, average number of minutes observed time spent at all stops in a trip, for all route-segments in the group, from pull-in time to pull-out time.
stdev_stopped_time Float, standard deviation number of minutes observed time spent at all stops in a trip, for all route-segments in the group, from pull-in time to pull-out time.
semi_stdev_stopped_time Float, standard deviation number of minutes observed time spent at all stops in a trip, for all route-segments in the group, from pull-in time to pull-out time.
avg_moving_time Float, average number of minutes observed moving time (difference between avg_runtime and avg_stopped_time.