washington_roads

Crashes on Washington primary roads from 2016, 2017, and 2018. Data acquired
from Washington Department of Transportation through the Highway Safety
Information System (HSIS).

datasets

Creates 'ggplot2' Cumulative Residual (CURE) plots to check the goodness-of-fit of a count model; or the tables to create a customized version. A dataset of crashes in Washington state is available for illustrative purposes.

Guillermo Basulto-Elias

cureplots

CURE (Cumulative Residual) Plots

Jonathan Wood

washington_roads function

The data frame <code>washington_roads</code> has 1,501 rows and 9 columns:<dl>
 <dt>ID</dt>
<dd>Anonymized road ID. Factor.</dd> <dt>Year</dt>
<dd>Year. Integer.</dd> <dt>AADT</dt>
<dd>Annual Average Daily Traffic (AADT). Double.</dd> <dt>Length</dt>
<dd>Segment length in miles. Double.</dd> <dt>Total_crashes</dt>
<dd>Total crashes. Integer.</dd> <dt>lnaadt</dt>
<dd>Natural logarithm of AADT. Double.</dd> <dt>lnlength</dt>
<dd>Natural logarithm of length in miles. Double.</dd> <dt>speed50</dt>
<dd>Indicator of whether the speed limit is 50 mph or greater.
 Binary.</dd> <dt>ShouldWidth04</dt>
<dd>Indicator of whether the shoulder is 4 feet or wider.
 Binary.</dd>
</dl>

Format

Washington Road Crashes — washington_roads

The data frame <code>washington_roads</code> has 1,501 rows and 9 columns:<dl>
 <dt>ID</dt>
<dd>Anonymized road ID. Factor.</dd>

 <dt>Year</dt>
<dd>Year. Integer.</dd>

 <dt>AADT</dt>
<dd>Annual Average Daily Traffic (AADT). Double.</dd>

 <dt>Length</dt>
<dd>Segment length in miles. Double.</dd>

 <dt>Total_crashes</dt>
<dd>Total crashes. Integer.</dd>

 <dt>lnaadt</dt>
<dd>Natural logarithm of AADT. Double.</dd>

 <dt>lnlength</dt>
<dd>Natural logarithm of length in miles. Double.</dd>

 <dt>speed50</dt>
<dd>Indicator of whether the speed limit is 50 mph or greater.
 Binary.</dd>

 <dt>ShouldWidth04</dt>
<dd>Indicator of whether the shoulder is 4 feet or wider.
 Binary.</dd>


</dl>

washington_roads: Washington Road Crashes

Description

Usage

Arguments

Format