Speed-flow data from Calfornia.

Description

A ‘fundamental diagram’ with observations of speed and flow recorded from 9th of July 2007, 9am, to 10th of July 2007, 10pm, on Line 5 of the Californian Freeway SR57-N, VDS number 1202263. The data were originally measured in intervals of thirty seconds, and then aggregated over intervals of 5 minutes length.

Usage

data(calspeedflow)

Format

A data frame with 444 observations on the following 4 variables.

Date

a factor with levels 07/09/2007... 07/10/2007.

Timestamp

a factor with a timestamps in intervals of five minutes.

Lane5Flow

a numeric vector of vehicle flow in vehicles per 5 minutes.

Lane5Speed

a numeric vector of vehicle speed in miles per hour.

Source

Retrieved from PeMS.

References

Einbeck, J., and Dwyer, J. (2011). Using principal curves to analyze traffic patterns on freeways. Transportmetrica 7, 229-246.

Examples

data(calspeedflow)
plot(calspeedflow[,3:4])

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(LPCM)
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/LPCM/calspeedflow.Rd_%03d_medium.png", width=480, height=480)
> ### Name: calspeedflow
> ### Title: Speed-flow data from Calfornia.
> ### Aliases: calspeedflow
> ### Keywords: datasets
> 
> ### ** Examples
> 
> data(calspeedflow)
> plot(calspeedflow[,3:4])
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>