[R] Library & Package for Tobit regression

John Fox jfox at mcmaster.ca
Fri May 4 14:32:42 CEST 2007

Dear Sattar,

You can use the survreg function in the survival package, which is part of
the standard R distribution. [BTW, help.search("Tobit") would have led you
to that.] There are other possibilities as well -- e.g., the tobit function
in the VGAM package.

I hope this helps,

John Fox, Professor
Department of Sociology
McMaster University
Hamilton, Ontario
Canada L8S 4M4

> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Abdus Sattar
> Sent: Thursday, May 03, 2007 10:09 PM
> To: R-help at stat.math.ethz.ch
> Subject: [R] Library & Package for Tobit regression
> Hello R-Users:
> I am want to use tobit regression for left censored 
> panel/longitudinal data. Could you please provide me the name 
> of "library" and/or "package" that will give me option of 
> fitting tobit regression model for longitudinal data? 
> Thank you. 
> Sattar
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