latlong.sim.ortho.proj

Road "address" of simulated (i.e., "expected") cases (latlong).

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

latlong.sim.ortho.proj function

A data frame with 8 variables that records the "address" of 19,993 regularly spaced simulated Cartesian/geodesic cases regularly spaced across map.<dl>
 <dt><code>case</code></dt>
<dd>numeric case ID</dd> <dt><code>road.segment</code></dt>
<dd>"address" road segment</dd> <dt><code>x.proj</code></dt>
<dd>x-coordinate</dd> <dt><code>y.proj</code></dt>
<dd>y-coordinate</dd> <dt><code>dist</code></dt>
<dd>Euclidean or orthogonal distance to home road segment</dd> <dt><code>type</code></dt>
<dd>type of projection: Euclidean ("eucl") or orthogonal ("ortho")</dd> <dt><code>lon</code></dt>
<dd>longitude</dd> <dt><code>lat</code></dt>
<dd>latitude</dd> 
</dl>

Format

Road "address" of simulated (i.e., "expected") cases (latlong). — latlong.sim.ortho.proj

A data frame with 8 variables that records the "address" of 19,993 regularly spaced simulated Cartesian/geodesic cases regularly spaced across map.<dl>
 <dt><code>case</code></dt>
<dd>numeric case ID</dd>

 <dt><code>road.segment</code></dt>
<dd>"address" road segment</dd>

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

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

 <dt><code>dist</code></dt>
<dd>Euclidean or orthogonal distance to home road segment</dd>

 <dt><code>type</code></dt>
<dd>type of projection: Euclidean ("eucl") or orthogonal ("ortho")</dd>

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

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

 
</dl>

latlong.sim.ortho.proj: Road "address" of simulated (i.e., "expected") cases (latlong).

Description

Usage

Arguments

Format