RE: [ai-geostats] Spatial analysis

2004-08-07 Thread Gregoire Dubois
Good day everyone ! It is true that the general consensus is that you need at least 50 to 100 points for a stable semi-variogram, but myself i bent this rule a little and i worked with 35 points and I even worked with 9 or 10 points recently (how shocking !). It is true that one of

Re: [ai-geostats] Spatial analysis

2004-08-06 Thread Monica Palaseanu-Lovejoy
Hi, It is true that the general consensus is that you need at least 50 to 100 points for a stable semi-variogram, but myself i bent this rule a little and i worked with 35 points But you can use LISA (Local Indicators of Spatial Association - LISA, 1995, by Luc Anselin, geographical