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labdsv

Ordination and Multivariate Analysis for Ecology

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.

Functions (53)

abundtrans

Species Abundance Data Transformation

abuocc

Abundance/Occurrence Graphical Analysis

as.dsvord

Convert existing and external ordinations to dsv format

brycesite

Site Data for Bryce Canyon National Park

bryceveg

Bryce Canyon Vegetation Data

calibrate

Calculate fitted environmental attributes in an ordination

compspec

Compositional Specificity Analysis

concov

Constancy-Coverage Table for Ecological Community Data

const

Constancy Table

convex

Convex Data Transformation

defactorize

Change Factors in Data.frames to Character Vectors

dematrify

Create Three Column Database Form Data Frame from Sparse Data Frames

dga

Direct Gradient Analysis

disana

Dissimilarity Analysis

dropplt

Dropping Plots with Missing Values From Taxon and Site Data Frames

dropspc

Dropping Species with Few Occurrences

dsvdis

Dissimilarity Indices and Distance Measures

dsvls

LabDSV Object ls() Command

envrtest

Environmental Distribution Test

euclidify

Nearest Euclidean Space Representation of a Dissimilarity Object

factorize

Change Character Vectors in Data.frames to Factors

gsr

Global Search and Replace for Data.frames

hellinger

Hellinger Data Transformation

homoteneity

Homoteneity Analysis of Classified Ecological Communities

importance

Importance Table

indval

Dufrene-Legendre Indicator Species Analysis

isamic

Indicator Species Analysis Minimizing Intermediate Occurrences

labdsv.internal

LabDSV Internal Functions

matrify

Create Taxon Data.frames From Three Column Database Form

metrify

Nearest Metric Space Representation of a Dissimilarity Object

neighbors

Neighbors

nmds

Nonmetric Multidimensional Scaling

ordcomm

Re-Order the Rows and Columns of a Taxon Data Frame

ordcomp

Ordination to Dissimilarity Comparison

orddist

Ordination Point Pair-Wise Distance Calculation

ordneighbors

Nearest Neighbors Plotted in Ordination Space

ordpart

Ordination Partitioning

ordtest

Ordination Distribution Test

pca

Principal Components Analysis

pco

Principal Coordinates Analysis

plot.dsvord

Plotting Routines For LabDSV Ordinations

predict

Predict species abundances in an ordination

raretaxa

Identify Rare Taxa in a Data Set

reconcile

Reconcile Community and Site Data.Frames

rndcomm

Randomize a Community Data.Frame

rnddist

Random Distance

samptot

Sample total standardization

spcdisc

Species Discrimination Analysis

spcmax

Species Maximum Standardization

stepdist

Step-Across Distance

thull

Plotting a Tensioned Hull

tsne

t-Distributed Stochastic Neighbor Embedding

vegtab

Vegetation Table

labdsv

Ordination and Multivariate Analysis for Ecology

v2.0-1

GPL (>= 2)

Authors

David W. Roberts <droberts@montana.edu>

Initial release

labdsv

Functions (53)

labdsv

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