[R-sig-Geo] Jencks' natural breaks

Crowe, Andrew a.crowe at lancaster.ac.uk
Wed Nov 4 13:55:35 CET 2009

Check out the ClassInt package.
Dr Andrew Crowe
Lancaster Environment Centre
Lancaster University
Lancaster    LA1 4YQ
Tel: +44 (0)1524 595879


From: r-sig-geo-bounces at stat.math.ethz.ch on behalf of Chris
Sent: Wed 04/11/2009 12:41 PM
To: r-sig-geo at stat.math.ethz.ch
Subject: [R-sig-Geo] Jencks' natural breaks

I am looking to execute this calculation in a software package I am building
but need help with pseudo code.

Can anyone point me in the right direction for a programming routine that
uses this method to work on a set of data?

The data is used in a mapping program. Data such as GDP will be used. The
resulting breaks will then be used to highlight the countries on a world map
giving them colour ranges.



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