[R-sig-Geo] image classification in R

[Ned Horning]

This may be a stupid question but has anyone tried the unsupervised 
option in Random Forest for unsupervised image classification? I'm not 
sure how that would work.

Ned

Corey Sparks wrote:
> Dear list,
> I want to do some unsupervised image classification of some landsat 
> imagery, I think I can read in the multi-band rasters using rgdal, but 
> has anyone tried doing this in R?  I am thinking (after looking at 
> documentation for how GRASS and ArcGIS do it) that I need to do an 
> initial hierarchical clustering to define clusters, but does anyone 
> have an idea on how to do a maximum likelihood classification of the 
> imagery?  Would a discriminant function approach work?  Any advice 
> anyone may have would be greatly appreciated, and i'm very sorry but I 
> don't have a working example yet.
> Best
>
> Corey
>
> Corey Sparks
> Assistant Professor
> Department of Demography and Organization Studies
> University of Texas at San Antonio
> One UTSA Circle
> San Antonio, TX 78249
> 210 458 6858
> corey.sparks 'at' utsa.edu
>
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