[R] Robust regression for ordered data

Jeff Newmiller jdnewmil at dcn.davis.ca.us
Mon Oct 8 00:26:42 CEST 2012


This does not appear to be a question about R. You should post in a list or forum dedicated to discussing statistics theory, such as stats.stackoverflow.com.
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Sent from my phone. Please excuse my brevity.

Eiko Fried <torvon at gmail.com> wrote:

>I have two regressions to perform - one with a metric DV (-3 to 3), the
>other with an ordered DV (0,1,2,3).
>
>Neither normal distribution not homoscedasticity is given. I have a two
>questions:
>
>(1) Some sources say robust regression take care of both lack of normal
>distribution and heteroscedasticity, while others say only of normal
>distribution. What is true?
>(2) Are there ways of using robust regressions with ordered data, or is
>that only possible for metric DVs?
>
>Thanks
>Torvon
>
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>
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