Re: Optimizing CartoDB's JenksBins function - Mailing list pgsql-general

From Joe Conway
Subject Re: Optimizing CartoDB's JenksBins function
Date
Msg-id 5328801C.9060205@joeconway.com
Whole thread Raw
In response to Optimizing CartoDB's JenksBins function  (Seamus Abshere <seamus@abshere.net>)
Responses Re: Optimizing CartoDB's JenksBins function
List pgsql-general
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On 03/18/2014 09:42 AM, Seamus Abshere wrote:
> Our friends from CartoDB [1] provide a beautiful Jenks Natural
> Breaks function for Postgres [2]. It is quite computationally
> intensive.
>
> Even if you don't know what Jenks is, do you see any
> optimizations?

Not exactly what you asked, but you might try PL/R with the R
"classInt" package:

  http://cran.at.r-project.org/web/packages/classInt/classInt.pdf

HTH,

Joe

- --
Joe Conway
credativ LLC: http://www.credativ.us
Linux, PostgreSQL, and general Open Source
Training, Service, Consulting, & 24x7 Support
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