From: | Richard_D_Levine(at)Raytheon(dot)com |
---|---|
To: | Don Isgitt <djisgitt(at)soundenergy(dot)com> |
Cc: | PostgreSQL <pgsql-general(at)postgresql(dot)org>, pgsql-general-owner(at)postgresql(dot)org, Robert Fitzpatrick <robert(at)webtent(dot)com> |
Subject: | Re: [real] Outliers of data |
Date: | 2004-10-21 19:40:00 |
Message-ID: | OFE4803EBC.FC9D64DE-ON05256F34.006BEA00@ftw.us.ray.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
Don,
If the data is can be mapped as 2D or 3D Cartesian coordinates, you could
use spatial operators from PostGIS.
Rick
Don Isgitt
<djisgitt(at)soundenergy(dot)c To: Robert Fitzpatrick <robert(at)webtent(dot)com>
om> cc: PostgreSQL <pgsql-general(at)postgresql(dot)org>
Sent by: Subject: Re: [real] [GENERAL] Outliers of data
pgsql-general-owner(at)pos
tgresql.org
10/21/2004 01:55 PM
Robert Fitzpatrick wrote:
>I have a project where it is necessary to determine Outliers of lab
>results and looking for some pointers on the best way to handle this
>type of calculation with PostgreSQL. Possibly an operator? I have no
>experience with that. I found some info on the web for calculating
>Outliers, here is one of them...
>
>http://cc.uoregon.edu/cnews/spring2000/outliers.html
>
>
>
Hi Robert,
You may want to consider the R language interface (pl/R); R (the
language) has great tools for detecting and operating on outliers.
Don
---------------------------(end of broadcast)---------------------------
TIP 7: don't forget to increase your free space map settings
From | Date | Subject | |
---|---|---|---|
Next Message | John Wells | 2004-10-21 19:40:23 | Two questions from the boss (SQL:2003 && scalability) |
Previous Message | Richard Huxton | 2004-10-21 19:33:22 | Re: Is it possible to remove the public schema? |