pumps

Adds and amends road locations for water pumps from John Snow's map to Dodson and Tobler's street data. The latter are available at Michael Friendly's 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

pumps function

A data frame with 13 observations and 4 variables that describe the pumps on Snow's map.<dl>
 <dt><code>id</code></dt>
<dd>pump number between 1 and 13</dd> <dt><code>street</code></dt>
<dd>nearest street</dd> <dt><code>x</code></dt>
<dd>x-coordinate</dd> <dt><code>y</code></dt>
<dd>y-coordinate</dd> <dt><code>lon</code></dt>
<dd>longitude</dd> <dt><code>lat</code></dt>
<dd>latitude</dd>
</dl>

Format

Dodson and Tobler's pump data with street name. — pumps

A data frame with 13 observations and 4 variables that describe the pumps on Snow's map.<dl>
 <dt><code>id</code></dt>
<dd>pump number between 1 and 13</dd>

 <dt><code>street</code></dt>
<dd>nearest street</dd>

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

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

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

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


</dl>

pumps: Dodson and Tobler's pump data with street name.

Description

Usage

Arguments

Format

See Also