Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down on April 23, and its replacement, is already up and running.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: violating normality assumption for tobit

From   Austin Nichols <>
Subject   Re: st: violating normality assumption for tobit
Date   Fri, 24 Feb 2012 12:43:26 -0500

Raymond Lim <>:
Meaning, where an ordered probit or ordered logit is clearly preferred.
help ologit

On Fri, Feb 24, 2012 at 3:07 AM, Nick Cox <> wrote:
> This seems to confuse marginal and conditional distribution. That
> aside, the way forward here is surely to simulate using what you know
> to see how -tobit- performs in these non-standard conditions.
> Nick
> On Fri, Feb 24, 2012 at 2:37 AM, Raymond Lim <> wrote:
>> I am running a tobit and normality is a crucial assumption. However,
>> my dependent variable follows a uniform distribution. I'm looking at
>> award placement: 1st place, 2nd place, ... 10th place. I collect data
>> from many competitions and always have 10 places. How can I address
>> the fact that my dependent variable will never be normal even if N
>> goes to infinity?
*   For searches and help try:

© Copyright 1996–2015 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index