Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> comp.databases.theory -> Re: Idempotence and "Replication Insensitivity" are equivalent ?

Re: Idempotence and "Replication Insensitivity" are equivalent ?

From: vc <boston103_at_hotmail.com>
Date: 26 Sep 2006 12:48:01 -0700
Message-ID: <1159300081.803975.163630@m73g2000cwd.googlegroups.com>

pamelaflue..._at_libero.it wrote:
> vc ha scritto:
>
> > pamelafluente_at_libero.it wrote:
> > [..]
> > > I am just saying that the definition of MEDIAN of a finite set of
> > > number
> >
> > OK, let's proceed slowly. *What* is the finite set whose median you
> > are trying to find ? What elements does it contain ?
>
> Since we are here (cdt), they could be the values that you find in the
> records
> for a given field. For instance, your records are variables observed on
>
> your students and the field of interest could be the number of members
> of their family. You could be interested in the Median family size *of
> your
> students*... You could be interested in other statistics as well, Mean,
> std, etc. ...

OK, so you are saying that the collection {1,2,3} is in fact a random sample realization, let's say the number of children in a family, which leads us to the original question. What grounds do you have for stating that having one, two or three children is equally probable ? You visited three households and are now trying to extrapolate your experience for say the entire city ?

>
> >
> > >is "intuitively equivalent" to the same definition given for a
> > > uniform discrete rv having that set as support...
> > >
> > > -p
Received on Tue Sep 26 2006 - 14:48:01 CDT

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US