[GRASSLIST:3566] site sampling (fwd)

[Paul Kelly]

---------- Forwarded message ----------
Date: Tue,  1 Jun 2004 15:35:47 -0300
From: Carlos Henrique Grohmann <guano at usp.br>
To: Paul Kelly <paul-grass at stjohnspoint.co.uk>
Subject: site sampling

Hello all.

I'm working on some trend surface analysis (with R), and my sites file has too
amny sites, so I start thinking about perform a stratified random sampling on
them, but I couldn't find any command to do it.
Any ideas?

thanks

--
+-------------------------------------------------+
         Carlos Henrique Grohmann - Guano
   Geologist M.Sc - PhD Student at IGc-USP - Brazil
        Linux User #89721  ICQ: 214752832
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