Vegetation cluster analysis

Functions for unsupervised and semi-supervised classification of vegetation

wetland

Wetland vegetation data set

as.vegclust()

Turns into vegclust objects

as.memb()

Turns into membership matrix

conformveg()

Conform two community data tables

vegclass()

Classifies vegetation communities

vegclust-package

Fuzzy Clustering of Vegetation Data Functions for fuzzy and hard clustering of vegetation data

vegclust() vegclustdist()

Vegetation clustering methods

vegclust2kmeans()

Reshapes as kmeans object

vegclustIndex()

Compute fuzzy evaluation statistics

clustcentroid() clustmedoid()

Cluster centers of a classification

clustconst() summary(<clustconst>)

Constancy table of a classification

clustvar()

Cluster variance

concordance()

Concordance between two classifications

crossmemb()

Cross-table of two fuzzy classifications

incr.vegclust()

Noise clustering with increasing number of clusters

hier.vegclust() hier.vegclustdist() random.vegclust() random.vegclustdist()

Clustering with several number of clusters

defuzzify()

Defuzzifies a fuzzy partition

interclustdist()

Calculates the distance between pairs of cluster centroids

hcr()

Heterogeneity-constrained random resampling (HCR)

relate.levels()

Relates two clustering level results.

plot(<mvegclust>)

Plots clustering results

Structural-compositional dissimilarity

Functions to assess commmunity dissimilarity in terms of composition and structure

vegdiststruct()

Structural and compositional dissimilarity

CAP() CAP2matrix() CAPcenters() CAPquantile()

Cumulative abundance profile (CAP)

CAS() CASmargin() CAS2matrix() CAScenters() CASquantile()

Cumulative abundance surface (CAS)

stratifyvegdata() as.stratifiedvegdata()

Reshapes community data from individual into stratified form

treedata

Synthetic vegetation data set with tree data

plot(<CAP>) plot(<stratifiedvegdata>)

Draws cummulative abundance profiles

plot(<CAS>)

Draws a cummulative abundance surface

medreg

Regeneration of Mediterranean vegetation data set