Re: [R-sig-Geo] Natural Breaks Classification

2006-03-03 Thread Hisaji ONO
Hi. As you might know, most of Jenks' optimization method depends on Fischer's "EXACT OPTIMIZATION" METHOD in (Fisher, W. D., 1958, On grouping for maximum homogeneity. Journal of the American Statistical Association, 53, 789 ・98.). This source code is available from following CMU's statlib sit

[R-sig-Geo] Fractional brownian surfaces

2006-03-03 Thread Hufkens Koen
Hi list, I'm trying to generate fractional brownian surfaces in R. [A detailed description with respect to various techniques to generating these neutral landscapes has been described by Timothy Keitt (spectral representation of neutral landscapes, Landscape Ecology, 2000) and probably various ot