EVOLUTION-MANAGER
Edit File: Insurance.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Numbers of Car Insurance claims</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link rel="stylesheet" type="text/css" href="R.css" /> </head><body> <table width="100%" summary="page for Insurance {MASS}"><tr><td>Insurance {MASS}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2> Numbers of Car Insurance claims </h2> <h3>Description</h3> <p>The data given in data frame <code>Insurance</code> consist of the numbers of policyholders of an insurance company who were exposed to risk, and the numbers of car insurance claims made by those policyholders in the third quarter of 1973. </p> <h3>Usage</h3> <pre> Insurance </pre> <h3>Format</h3> <p>This data frame contains the following columns: </p> <dl> <dt><code>District</code></dt><dd> <p>factor: district of residence of policyholder (1 to 4): 4 is major cities. </p> </dd> <dt><code>Group</code></dt><dd> <p>an ordered factor: group of car with levels <1 litre, 1–1.5 litre, 1.5–2 litre, >2 litre. </p> </dd> <dt><code>Age</code></dt><dd> <p>an ordered factor: the age of the insured in 4 groups labelled <25, 25–29, 30–35, >35. </p> </dd> <dt><code>Holders</code></dt><dd> <p>numbers of policyholders. </p> </dd> <dt><code>Claims</code></dt><dd> <p>numbers of claims </p> </dd> </dl> <h3>Source</h3> <p>L. A. Baxter, S. M. Coutts and G. A. F. Ross (1980) Applications of linear models in motor insurance. <em>Proceedings of the 21st International Congress of Actuaries, Zurich</em> pp. 11–29. </p> <p>M. Aitkin, D. Anderson, B. Francis and J. Hinde (1989) <em>Statistical Modelling in GLIM.</em> Oxford University Press. </p> <h3>References</h3> <p>Venables, W. N. and Ripley, B. D. (1999) <em>Modern Applied Statistics with S-PLUS.</em> Third Edition. Springer. </p> <h3>Examples</h3> <pre> ## main-effects fit as Poisson GLM with offset glm(Claims ~ District + Group + Age + offset(log(Holders)), data = Insurance, family = poisson) # same via loglm loglm(Claims ~ District + Group + Age + offset(log(Holders)), data = Insurance) </pre> <hr /><div style="text-align: center;">[Package <em>MASS</em> version 7.3-51.4 <a href="00Index.html">Index</a>]</div> </body></html>