EVOLUTION-MANAGER
Edit File: tobin.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: Tobin's Tobit data</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 tobin {survival}"><tr><td>tobin {survival}</td><td style="text-align: right;">R Documentation</td></tr></table> <h2>Tobin's Tobit data</h2> <h3>Description</h3> <p>Economists fit a parametric censored data model called the ‘tobit’. These data are from Tobin's original paper. </p> <h3>Usage</h3> <pre>tobin</pre> <h3>Format</h3> <p>A data frame with 20 observations on the following 3 variables. </p> <dl> <dt>durable</dt><dd><p>Durable goods purchase</p> </dd> <dt>age</dt><dd><p>Age in years</p> </dd> <dt>quant</dt><dd><p>Liquidity ratio (x 1000)</p> </dd> </dl> <h3>Source</h3> <p>J Tobin (1958), Estimation of relationships for limited dependent variables. <em>Econometrica</em> <b>26</b>, 24–36. </p> <h3>Examples</h3> <pre> tfit <- survreg(Surv(durable, durable>0, type='left') ~age + quant, data=tobin, dist='gaussian') predict(tfit,type="response") </pre> <hr /><div style="text-align: center;">[Package <em>survival</em> version 2.44-1.1 <a href="00Index.html">Index</a>]</div> </body></html>