Ordination and Multivariate Analysis for Ecology
Ordination Point Pair-Wise Distance Calculation
Species Abundance Data Transformation
Abundance/Occurrence Graphical Analysis
Convert existing and external ordinations to dsv format
Calculate fitted environmental attributes in an ordination
Community Composition Modeling
Compositional Specificity Analysis
Constancy-Coverage Table for Ecological Community Data
Constancy Table
Convex Data Transformation
Change Factors in Data.frames to Character Vectors
Create Three Column Database Form Data Frame from Sparse Data Frames
Direct Gradient Analysis
Dissimilarity Analysis
Dropping Plots with Missing Values From Taxon and Site Data Frames
Dropping Species with Few Occurrences
Dissimilarity Indices and Distance Measures
LabDSV Object ls() Command
Environmental Distribution Test
Nearest Euclidean Space Representation of a Dissimilarity Object
Change Character Vectors in Data.frames to Factors
Global Search and Replace for Data.frames
Hellinger Data Transformation
Homoteneity Analysis of Classified Ecological Communities
Importance Table
Dufrene-Legendre Indicator Species Analysis
Indicator Species Analysis Minimizing Intermediate Occurrences
LabDSV Internal Functions
Create Taxon Data.frames From Three Column Database Form
Nearest Metric Space Representation of a Dissimilarity Object
Neighbors
Nonmetric Multidimensional Scaling
Re-Order the Rows and Columns of a Taxon Data Frame
Ordination to Dissimilarity Comparison
Nearest Neighbors Plotted in Ordination Space
Ordination Partitioning
Ordination Distribution Test
Principal Components Analysis
Principal Coordinates Analysis
Plotting Routines For LabDSV Ordinations
Predict species abundances in an ordination
Identify Rare Taxa in a Data Set
Reconcile Community and Site Data.Frames
Randomize a Community Data.Frame
Random Distance
Sample total standardization
Species Discrimination Analysis
Species Maximum Standardization
Step-Across Distance
Plotting a Tensioned Hull
t-Distributed Stochastic Neighbor Embedding
Vegetation Table
A variety of ordination and community analyses useful in analysis of data sets in community ecology. Includes many of the common ordination methods, with graphical routines to facilitate their interpretation, as well as several novel analyses.