roads

This data set adds road names from John Snow's map to Dodson and Tobler's street data. The latter are also available from HistData::Snow.streets.

datasets

Amends errors, augments data and aids analysis of John Snow's map
of the 1854 London cholera outbreak.

Peter Li 

cholera

Amend, Augment and Aid Analysis of John Snow's Cholera Map

roads function

A data frame with 1243 observations and 6 variables. The data describe the roads on Snow's map.<dl>
 <dt><code>street</code></dt>
<dd>street segment number, which range between 1 and 528</dd> <dt><code>n</code></dt>
<dd>number of points in this street line segment</dd> <dt><code>x</code></dt>
<dd>x-coordinate</dd> <dt><code>y</code></dt>
<dd>y-coordinate</dd> <dt><code>id</code></dt>
<dd>unique numeric ID</dd> <dt><code>name</code></dt>
<dd>road name</dd> <dt><code>lon</code></dt>
<dd>longitude</dd> <dt><code>lat</code></dt>
<dd>latitude</dd>
</dl>

Format

Dodson and Tobler's street data with appended road names. — roads

A data frame with 1243 observations and 6 variables. The data describe the roads on Snow's map.<dl>
 <dt><code>street</code></dt>
<dd>street segment number, which range between 1 and 528</dd>

 <dt><code>n</code></dt>
<dd>number of points in this street line segment</dd>

 <dt><code>x</code></dt>
<dd>x-coordinate</dd>

 <dt><code>y</code></dt>
<dd>y-coordinate</dd>

 <dt><code>id</code></dt>
<dd>unique numeric ID</dd>

 <dt><code>name</code></dt>
<dd>road name</dd>

 <dt><code>lon</code></dt>
<dd>longitude</dd>

 <dt><code>lat</code></dt>
<dd>latitude</dd>


</dl>

roads: Dodson and Tobler's street data with appended road names.

Description

Usage

Arguments

Format

See Also