mgram
(Package: ecodist) :
Mantel correlogram
Calculates simple and partial Mantel correlograms.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: mgram
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nmds.min
(Package: ecodist) :
Find minimum stress configuration
Finds minimum stress configuration from output of nmds()
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: nmds.min
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Converts field data of the form site, species, observation into a matrix.
● Data Source:
CranContrib
● Keywords: manip
● Alias: crosstab
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fixdmat
(Package: ecodist) :
Distance matrix conversion
Converts a row-order lower-triangular distance matrix to a full symmetric matrix.
● Data Source:
CranContrib
● Keywords: manip
● Alias: fixdmat
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cor2m
(Package: ecodist) :
Generates a correlation table between the variables of 2 matrices
cor2m generates a correlation table between the variables of 2 matrices–by design, species and environment. It stores these in a table with species as columns and envnvironmental variables as rows, so it's easy to scan. It also removes correlations less than a user-specified alpha (0.05 by default)
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: cor2m
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pmgram
(Package: ecodist) :
Partial Mantel correlogram
This function calculates simple and partial multivariate correlograms.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: pmgram
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distance
(Package: ecodist) :
Calculate dissimilarity/distance metrics
This function calculates a variety of dissimilarity or distance metrics. Although it duplicates the functionality of dist() and bcdist(), it is written in such a way that new metrics can easily be added. distance() was written for extensibility and understandability, and is not an efficient choice for use with large matrices.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: distance
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lower
(Package: ecodist) :
Lower-triangular matrix
Converts a symmetric distance matrix to a column order lower triangular matrix.
● Data Source:
CranContrib
● Keywords: manip
● Alias: lower
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Simple and partial Mantel tests, with options for ranked data, permutation tests, and bootstrapped confidence limits.
● Data Source:
CranContrib
● Keywords: multivariate
● Alias: mantel
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plot.mgram
(Package: ecodist) :
Plot a Mantel correlogram
Plot a Mantel correlogram from an object of S3 class mgram, using solid symbols for significant values.
● Data Source:
CranContrib
● Keywords: hplot, multivariate
● Alias: plot.mgram
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