Last data update: 2014.03.03
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R: Tobin's Tobit data
Tobin's Tobit data
Description
Economists fit a parametric censored data model called the
‘tobit’. These data are from Tobin's original paper.
Usage
tobin
Format
A data frame with 20 observations on the following 3 variables.
- durable
Durable goods purchase
- age
Age in years
- quant
Liquidity ratio (x 1000)
Source
J Tobin (1958),
Estimation of relationships for limited dependent variables.
Econometrica 26, 24–36.
Examples
tfit <- survreg(Surv(durable, durable>0, type='left') ~age + quant,
data=tobin, dist='gaussian')
predict(tfit,type="response")
Results
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