addPlaguePit

Draws a polygon that approximates the plague pit located around Marshall Street. From Vestry Report map.

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

addPlaguePit function

<dl><dt>latlong</dt>
<dd>Logical. Use estimated longitude and latitude.</dd>
<dt>color</dt>
<dd>Character. Color of polygon.</dd>
<dt>line.type</dt>
<dd>Character. Polygon line type.</dd></dl>

Arguments

Add plague pit (Marshall Street). — addPlaguePit

<dl>

<dt>latlong</dt>
<dd>Logical. Use estimated longitude and latitude.</dd>


<dt>color</dt>
<dd>Character. Color of polygon.</dd>


<dt>line.type</dt>
<dd>Character. Polygon line type.</dd>

</dl>

addPlaguePit: Add plague pit (Marshall Street).

Description

Usage

Value

Arguments

Examples