ecology

Submitted by Red-R Developme... on Tue, 09/13/2011 - 15:33
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Red-R Version: 
Red-R-1.85b
Red-R Package Version: 
0.11
Package Download: 
application/zip iconecology-0.11.zip
Widget Description
Betadisper Implements Marti Anderson's PERMDISP2 procedure for the analysis of multivariate homogeneity of group dispersions (variances). betadisper is a multivariate analogue of Levene's test for homogeneity of variances.
Bivariate scatters
Cophenetic
Discriminant analysis Discriminant analysis with ADE4.
Dissimilarity Compute dissimilarity matrices
Fusion level .
Gower dissimilarity
Green Hier. Clust. Performs a variety of clustering functions on a matrix of dissimilarity. Data can be connected in the RDataFrame form but should contain only numeric data. If not then an error may be reported or the widget may not function as anticipated. Please see the R help for the function hclust or a statistics text on clustering for more information on different clustering methods.
Green PCA
Grouping clusters
K-means
Plot dissimilarity
Silhouettes This widget plots silouhette widths and final partitioned silouhette plots.
Standardize Compute standadization with decostand function (package: vegan).