[R] Ripley's K function within envelope--how to change the maximum distance?

From: Steve Markofsky <s.markofsky_at_ucl.ac.uk>
Date: Tue, 04 Mar 2008 10:37:59 +0000

Hi--I'm trying to run a Ripley's K analysis on a point pattern within a window of 1 square km. The maximum distance I want to use is the diagonal of the window, around 1400m, run in 50m increments.

The function defaults to a 250m maximum--I thought this was simply the way I had plotted it, but when I exported the data there was nothing over 250m.

I've looked into seq and ginterval, and I think that seq may be my answer, but I'm not exactly sure how to use it properly within the envelope function. Here's two versions of the code I'm working with:



I think I'm missing something obvious, but couldn't find the solution.

Thanks very much--


Steve Markofsky
Institute of Archaeology
University College London

Mobile: 07779-789-720
Email: s.markofsky_at_ucl.ac.uk

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