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: FW: st: Quantile regression

From   Maarten Buis <>
Subject   Re: FW: st: Quantile regression
Date   Mon, 24 Sep 2012 13:58:34 +0200

On Mon, Sep 24, 2012 at 12:50 AM, Seed, Paul wrote:
> 7. It looks as though you are warming up to saying "The effect exists
> for men, but not for women", based only on p<0.05 (M) and p>0.2 (F);
> or something similar.
> This is a basic error known as comparing p-values; and is fR TOO common
> in published papers.  Unless you carry out proper interaction tests, there
> is no justification for such conclusions.

For a detailed explanation of this point see:
Gelman, A and Stern, H. (2006) The Difference Between "Significant"
and "Not Significant" is not
Itself Statistically Significant. The American Statistician, 60(4):328--331.

Hope this helps,

Maarten L. Buis
Reichpietschufer 50
10785 Berlin
*   For searches and help try:

© Copyright 1996–2016 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index