search for: land_use

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2006 Mar 08
1
function gdist, dist and vegdist in mvpart
...unities with the function mvpart, using a dissimilarit matrix as input. The matrix is calculated with the funtion gdist. fit <- mvpart(gdist (ba12[,18:29], meth="maximum", full=TRUE, sq=F) ~ beers + slope_dem + elev_dem+ plc_dem + pr_curv+ +curv+max_depth+doc_rocks+ abandon+land_use+ca_old, data=ba12, xv="p") This works fine. Now I would like to use other dissimilarity measures as can be found in the function dist (STATS) or vegdist (VEGAN). De'Ath notes that gdist should be interchangeable with dist - but I receive following error message: > fit21 <...