RE: AI-GEOSTATS: Help: spatial heterogeneity and autocorrelation indices

2004-04-22 Thread Gregoire Dubois
Title: Message About your question on heterogeneity in spatial data. Sorry formy very lazy answer but one elegant way to deal with such heterogeneity is Denis Allard's class kriging. See http://www.ai-geostats.org/papers/_papers/000e.htm Gregoire PS: I just have checked the ftp

RE: AI-GEOSTATS: Help: spatial heterogeneity and autocorrelation indices

2004-04-21 Thread sl23349
Hi, This is a question I have been scratching my head lately. In my data, there seems to be a global range, i.e. spatial autocorrelation does imply some sort of homogeneity throughout the whole area. However, if you look into more details, some of the sub-region contains outlier and hotspot

AI-GEOSTATS: Help: spatial heterogeneity and autocorrelation indices

2004-04-20 Thread Chunhua Zhang
Hello lists,I have a question:I am now interested in heterogeneity. Heterogeneity is related to pattern and pattern is absence of randomness.Many indices of spatial autocorrelation have been applied to study heterogeneity. From my understanding, spatial autocorrelation indices deals with