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classInterval(style="fisher") vs. ArcView GIS natural breaks

Hervé Polesi 
Hi!

Working on a litle datebase (903 lines) I notice a difference between 
the result of classInterval(style="fisher") and the natural breaks 
proposed by ArcView GIS (3.2).
I read that ArcView works on a sample of data. Is it right ? May it 
cause a significative difference ?

Greetings from Strasbourg, France.

Herv? Polesi

Thread (3 messages)

Hervé Polesi classInterval(style="fisher") vs. ArcView GIS natural breaks Mar 16 Roger Bivand classInterval(style="fisher") vs. ArcView GIS natural breaks Mar 16 White.Denis@epamail.epa.gov classInterval(style="fisher") vs. ArcView GIS natural breaks Mar 16