Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at

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

Re: st: RE: RE: A math question

From   David Hoaglin <>
Subject   Re: st: RE: RE: A math question
Date   Fri, 21 Dec 2012 10:52:36 -0500

The median is a function of a distribution.  You did not specify the
distribution of x.  If you explained the context for your question, we
might be able to shed better light.

David Hoaglin

On Fri, Dec 21, 2012 at 10:42 AM, CJ Lan <> wrote:
> Al,
> I think the "median" is a function, just like the "mean" is a function, not just a number.
> BTW, the derivative of abs(x^3) should be 3*x*abs(x) because the derivative can be derived as
>  abs(x^3)/(x^3)*(3*x^2) = 3*abs(x)*x^2/x = 3*x*abs(x).
> I wish others could shed a light too?  Thx.
*   For searches and help try:

© Copyright 1996–2017 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index