ex22.20

The data in this data frame are the number of cancer deaths among
 survivors of the atomic bombs dropped on Japan during World War II,
 categorised by time (years) after the bomb that death occurred and the
 amount of radiation exposure that the survivors received from the
 blast (Data from D.A. Pierce, personal communication.) Also listed in
 each cell is the person-years at risk, in 100s. This is the
 sum total of all years spent by all persons in the category.

datasets

Data sets from Ramsey, F.L. and Schafer, D.W. (2002), "The
Statistical Sleuth: A Course in Methods of Data Analysis (2nd
ed)", Duxbury.

Berwin Turlach

Sleuth2

Data Sets from Ramsey and Schafer's "Statistical Sleuth (2nd
Ed)"

ex22.20 function

A data frame with 42 observations on the following 4 variables.<dl>
 <dt><code>Exposure</code></dt>
<dd>Estimated exposure to radiation (in rads)</dd> <dt><code>Years</code></dt>
<dd>Years after exposure, factor with 7 levels</dd> <dt><code>Deaths</code></dt>
<dd>Number of cancer deaths</dd> <dt><code>Risk</code></dt>
<dd>Person-years at risk (in 100s)</dd> 
</dl>

Format

Cancer Death of Atomic Bomb Survivors — ex22.20

A data frame with 42 observations on the following 4 variables.<dl>
 <dt><code>Exposure</code></dt>
<dd>Estimated exposure to radiation (in rads)</dd>

 <dt><code>Years</code></dt>
<dd>Years after exposure, factor with 7 levels</dd>

 <dt><code>Deaths</code></dt>
<dd>Number of cancer deaths</dd>

 <dt><code>Risk</code></dt>
<dd>Person-years at risk (in 100s)</dd>

 
</dl>

ex22.20: Cancer Death of Atomic Bomb Survivors

Description

Usage

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Examples